Remove builtins.function

[lancelote]

Looks like the function class is no longer used in builtins.pyi for annotations. Can we get rid of it as it pollutes the completion options in e.g., PyCharm?

[github-actions]

Diff from mypy_primer, showing the effect of this PR on open source code:

isort (https://github.com/pycqa/isort.git)
- Warning: unused section(s) in pyproject.toml: module = ['tests.*']
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/typing.pyi:610: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.901
- isort/deprecated/finders.py:22: error: unused "type: ignore" comment
- isort/deprecated/finders.py:28: error: unused "type: ignore" comment
- isort/deprecated/finders.py:34: error: unused "type: ignore" comment
- isort/setuptools_commands.py:7: error: unused "type: ignore" comment
- isort/pylama_isort.py:6: error: unused "type: ignore" comment
+ Traceback (most recent call last):
+   File "mypy/checker.py", line 401, in accept
+   File "mypy/nodes.py", line 526, in accept
+   File "mypy/checker.py", line 434, in visit_overloaded_func_def
+   File "mypy/checker.py", line 461, in _visit_overloaded_func_def
+   File "mypy/checker.py", line 518, in check_overlapping_overloads
+   File "mypy/checker.py", line 5394, in is_unsafe_overlapping_overload_signatures
+   File "mypy/subtypes.py", line 861, in is_callable_compatible
+   File "mypy/subtypes.py", line 1094, in unify_generic_callable
+   File "mypy/solve.py", line 45, in solve_constraints
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 1156, in accept
+   File "mypy/join.py", line 217, in visit_callable_type
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 928, in accept
+   File "mypy/join.py", line 162, in visit_type_var
+   File "mypy/join.py", line 352, in default
+   File "mypy/join.py", line 510, in object_from_instance
+ IndexError: list index out of range

anyio (https://github.com/agronholm/anyio.git)
- src/anyio/_backends/_asyncio.py:188: error: Argument 1 to "getgeneratorstate" has incompatible type "Union[Generator[Optional[Future[object]], None, Any], Awaitable[Any]]"; expected "Generator[Any, Any, Any]"
- src/anyio/_backends/_asyncio.py:1283: error: unused "type: ignore" comment
- src/anyio/_backends/_asyncio.py:1820: error: Argument 4 to "TaskInfo" has incompatible type "Union[Generator[Optional[Future[object]], None, Any], Awaitable[Any]]"; expected "Coroutine[Any, Any, Any]"
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/typing.pyi:610: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.901
+ Traceback (most recent call last):
+   File "mypy/checker.py", line 401, in accept
+   File "mypy/nodes.py", line 526, in accept
+   File "mypy/checker.py", line 434, in visit_overloaded_func_def
+   File "mypy/checker.py", line 461, in _visit_overloaded_func_def
+   File "mypy/checker.py", line 518, in check_overlapping_overloads
+   File "mypy/checker.py", line 5394, in is_unsafe_overlapping_overload_signatures
+   File "mypy/subtypes.py", line 861, in is_callable_compatible
+   File "mypy/subtypes.py", line 1094, in unify_generic_callable
+   File "mypy/solve.py", line 45, in solve_constraints
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 1156, in accept
+   File "mypy/join.py", line 217, in visit_callable_type
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 928, in accept
+   File "mypy/join.py", line 162, in visit_type_var
+   File "mypy/join.py", line 352, in default
+   File "mypy/join.py", line 510, in object_from_instance
+ IndexError: list index out of range

kopf (https://github.com/nolar/kopf.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/typing.pyi:610: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.901
- kopf/_cogs/structs/dicts.py:297: error: Unsupported operand types for + ("Tuple[str, ...]" and "Tuple[_K]")
- kopf/_cogs/structs/dicts.py:323: error: Unsupported operand types for + ("Tuple[str, ...]" and "Tuple[_K]")
- kopf/cli.py:95: error: Unsupported operand types for + ("Tuple[Union[str, Pattern[Any]], ...]" and "Tuple[Optional[str]]")
+ Traceback (most recent call last):
+   File "mypy/checker.py", line 401, in accept
+   File "mypy/nodes.py", line 526, in accept
+   File "mypy/checker.py", line 434, in visit_overloaded_func_def
+   File "mypy/checker.py", line 461, in _visit_overloaded_func_def
+   File "mypy/checker.py", line 518, in check_overlapping_overloads
+   File "mypy/checker.py", line 5394, in is_unsafe_overlapping_overload_signatures
+   File "mypy/subtypes.py", line 861, in is_callable_compatible
+   File "mypy/subtypes.py", line 1094, in unify_generic_callable
+   File "mypy/solve.py", line 45, in solve_constraints
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 1156, in accept
+   File "mypy/join.py", line 217, in visit_callable_type
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 928, in accept
+   File "mypy/join.py", line 162, in visit_type_var
+   File "mypy/join.py", line 352, in default
+   File "mypy/join.py", line 510, in object_from_instance
+ IndexError: list index out of range

yarl (https://github.com/aio-libs/yarl.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/typing.pyi:610: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.901
+ Traceback (most recent call last):
+   File "mypy/checker.py", line 401, in accept
+   File "mypy/nodes.py", line 526, in accept
+   File "mypy/checker.py", line 434, in visit_overloaded_func_def
+   File "mypy/checker.py", line 461, in _visit_overloaded_func_def
+   File "mypy/checker.py", line 518, in check_overlapping_overloads
+   File "mypy/checker.py", line 5394, in is_unsafe_overlapping_overload_signatures
+   File "mypy/subtypes.py", line 861, in is_callable_compatible
+   File "mypy/subtypes.py", line 1094, in unify_generic_callable
+   File "mypy/solve.py", line 45, in solve_constraints
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 1156, in accept
+   File "mypy/join.py", line 217, in visit_callable_type
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 928, in accept
+   File "mypy/join.py", line 162, in visit_type_var
+   File "mypy/join.py", line 352, in default
+   File "mypy/join.py", line 510, in object_from_instance
+ IndexError: list index out of range

pyjwt (https://github.com/jpadilla/pyjwt.git)
- jwt/utils.py:12: error: unused "type: ignore" comment
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/typing.pyi:610: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.901
- jwt/help.py:10: error: unused "type: ignore" comment
+ Traceback (most recent call last):
+   File "mypy/checker.py", line 401, in accept
+   File "mypy/nodes.py", line 526, in accept
+   File "mypy/checker.py", line 434, in visit_overloaded_func_def
+   File "mypy/checker.py", line 461, in _visit_overloaded_func_def
+   File "mypy/checker.py", line 518, in check_overlapping_overloads
+   File "mypy/checker.py", line 5394, in is_unsafe_overlapping_overload_signatures
+   File "mypy/subtypes.py", line 861, in is_callable_compatible
+   File "mypy/subtypes.py", line 1094, in unify_generic_callable
+   File "mypy/solve.py", line 45, in solve_constraints
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 1156, in accept
+   File "mypy/join.py", line 217, in visit_callable_type
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 928, in accept
+   File "mypy/join.py", line 162, in visit_type_var
+   File "mypy/join.py", line 352, in default
+   File "mypy/join.py", line 510, in object_from_instance
+ IndexError: list index out of range

pylint (https://github.com/pycqa/pylint.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/typing.pyi:610: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.901
+ Traceback (most recent call last):
+   File "mypy/checker.py", line 401, in accept
+   File "mypy/nodes.py", line 526, in accept
+   File "mypy/checker.py", line 434, in visit_overloaded_func_def
+   File "mypy/checker.py", line 461, in _visit_overloaded_func_def
+   File "mypy/checker.py", line 518, in check_overlapping_overloads
+   File "mypy/checker.py", line 5394, in is_unsafe_overlapping_overload_signatures
+   File "mypy/subtypes.py", line 861, in is_callable_compatible
+   File "mypy/subtypes.py", line 1094, in unify_generic_callable
+   File "mypy/solve.py", line 45, in solve_constraints
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 1156, in accept
+   File "mypy/join.py", line 217, in visit_callable_type
+   File "mypy/join.py", line 113, in join_types
+   File "mypy/types.py", line 928, in accept
+   File "mypy/join.py", line 162, in visit_type_var
+   File "mypy/join.py", line 352, in default
+   File "mypy/join.py", line 510, in object_from_instance
+ IndexError: list index out of range

mypy (https://github.com/python/mypy.git)
+ /tmp/mypy_primer/new_typeshed/typeshed_to_test/stdlib/typing.pyi:610: error: INTERNAL ERROR -- Please try using mypy master on Github:
+ https://mypy.readthedocs.io/en/stable/common_issues.html#using-a-development-mypy-build
+ Please report a bug at https://github.com/python/mypy/issues
+ version: 0.901
- mypy/fastparse.py:101: error: Return type becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:110: error: unused "type: ignore" comment
- mypy/fastparse.py:283: error: Argument 1 to "is_no_type_check_decorator" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:308: error: Type of variable becomes "Dict[type, Callable[[Optional[Any]], Any]]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:321: error: Argument 2 to "visit" becomes "Optional[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:332: error: Argument 3 to "set_line" becomes "Union[Any, Any, Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:338: error: Argument 2 to "translate_opt_expr_list" becomes "Sequence[Optional[Any]]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:345: error: Argument 2 to "translate_expr_list" becomes "Sequence[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:348: error: Argument 2 to "get_lineno" becomes "Union[Any, Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:354: error: Argument 2 to "translate_stmt_list" becomes "Sequence[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:373: error: Argument 2 to "translate_type_comment" becomes "Union[Any, Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:388: error: Type of variable becomes "Dict[Type[Any], str]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:404: error: Argument 2 to "from_operator" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:411: error: Type of variable becomes "Dict[Type[Any], str]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:424: error: Argument 2 to "from_comp_operator" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:431: error: Argument 2 to "as_block" becomes "List[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:438: error: Argument 2 to "as_required_block" becomes "List[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:494: error: Argument 2 to "visit_Module" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:497: error: unused "type: ignore" comment
- mypy/fastparse.py:514: error: Argument 2 to "visit_FunctionDef" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:519: error: Argument 2 to "visit_AsyncFunctionDef" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:522: error: Argument 2 to "do_func_def" becomes "Union[Any, Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:662: error: Argument 2 to "transform_args" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:668: error: Type of variable becomes "List[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:669: error: Redundant cast to "List[Any]"  [redundant-cast]
- mypy/fastparse.py:669: error: Target type of cast becomes "List[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:708: error: Argument 2 to "make_argument" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:708: error: Argument 3 to "make_argument" becomes "Optional[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:727: error: Argument 3 to "fail_arg" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:735: error: Argument 2 to "visit_ClassDef" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:760: error: Argument 2 to "visit_Return" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:765: error: Argument 2 to "visit_Delete" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:775: error: Argument 2 to "visit_Assign" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:783: error: Argument 2 to "visit_AnnAssign" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:798: error: Argument 2 to "visit_AugAssign" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:805: error: Argument 2 to "visit_For" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:815: error: Argument 2 to "visit_AsyncFor" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:826: error: Argument 2 to "visit_While" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:833: error: Argument 2 to "visit_If" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:841: error: Argument 2 to "visit_With" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:850: error: Argument 2 to "visit_AsyncWith" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:860: error: Argument 2 to "visit_Raise" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:865: error: Argument 2 to "visit_Try" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:881: error: Argument 2 to "visit_Assert" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:886: error: Argument 2 to "visit_Import" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:902: error: Argument 2 to "visit_ImportFrom" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:915: error: Argument 2 to "visit_Global" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:920: error: Argument 2 to "visit_Nonlocal" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:925: error: Argument 2 to "visit_Expr" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:931: error: Argument 2 to "visit_Pass" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:936: error: Argument 2 to "visit_Break" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:941: error: Argument 2 to "visit_Continue" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:952: error: Argument 2 to "visit_BoolOp" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:966: error: Argument 4 to "group" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:974: error: Argument 2 to "visit_BinOp" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:984: error: Argument 2 to "visit_UnaryOp" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1002: error: Argument 2 to "visit_Lambda" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1013: error: Argument 2 to "visit_IfExp" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1020: error: Argument 2 to "visit_Dict" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1026: error: Argument 2 to "visit_Set" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1031: error: Argument 2 to "visit_ListComp" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1032: error: Target type of cast becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1036: error: Argument 2 to "visit_SetComp" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1037: error: Target type of cast becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1041: error: Argument 2 to "visit_DictComp" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1055: error: Argument 2 to "visit_GeneratorExp" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1068: error: Argument 2 to "visit_Await" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1074: error: Argument 2 to "visit_Yield" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1079: error: Argument 2 to "visit_YieldFrom" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1084: error: Argument 2 to "visit_Compare" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1092: error: Argument 2 to "visit_Call" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1132: error: Argument 2 to "visit_Num" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1149: error: Argument 2 to "visit_Str" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1160: error: Argument 2 to "visit_JoinedStr" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1179: error: Argument 2 to "visit_FormattedValue" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1199: error: Argument 2 to "visit_Bytes" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1204: error: Argument 2 to "visit_NameConstant" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1209: error: Argument 2 to "visit_Ellipsis" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1214: error: Argument 2 to "visit_Attribute" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1227: error: Argument 2 to "visit_Subscript" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1245: error: Argument 2 to "visit_Starred" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1250: error: Argument 2 to "visit_Name" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1255: error: Argument 2 to "visit_List" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1265: error: Argument 2 to "visit_Tuple" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1272: error: Argument 2 to "visit_Slice" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1278: error: Argument 2 to "visit_ExtSlice" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1283: error: Argument 2 to "visit_Index" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1299: error: Type of variable becomes "List[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1314: error: Argument 2 to "invalid_type" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1333: error: Argument 2 to "visit" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1336: error: Argument 2 to "visit" becomes "Optional[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1336: error: Overloaded function signature 2 will never be matched: signature 1's parameter type(s) are the same or broader  [misc]
- mypy/fastparse.py:1338: error: Argument 2 to "visit" becomes "Optional[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1353: error: Return type becomes "Optional[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1367: error: Argument 2 to "translate_expr_list" becomes "Sequence[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1381: error: Argument 2 to "visit_Call" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1427: error: Argument 2 to "translate_argument_list" becomes "Sequence[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1430: error: Argument 2 to "_extract_argument_name" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1439: error: Argument 2 to "visit_Name" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1442: error: Argument 2 to "visit_BinOp" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1454: error: Argument 2 to "visit_NameConstant" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1489: error: Argument 2 to "visit_UnaryOp" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1499: error: Argument 3 to "numeric_type" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1525: error: Argument 2 to "visit_Num" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1529: error: Argument 2 to "visit_Str" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1550: error: Argument 2 to "visit_Bytes" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1556: error: Argument 2 to "visit_Subscript" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1586: error: Argument 2 to "visit_Tuple" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1591: error: Argument 2 to "visit_Attribute" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1600: error: Argument 2 to "visit_Ellipsis" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1604: error: Argument 2 to "visit_List" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse.py:1609: error: Argument 1 to "stringify_name" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:69: error: unused "type: ignore" comment
+ Traceback (most recent call last):
+   File "mypy/checker.py", line 401, in accept
+     try:
+   File "mypy/nodes.py", line 526, in accept
+     return self.impl.name
+   File "mypy/checker.py", line 434, in visit_overloaded_func_def
+     with self.tscope.function_scope(defn):
+   File "mypy/checker.py", line 461, in _visit_overloaded_func_def
+     if not defn.is_property:
+   File "mypy/checker.py", line 518, in check_overlapping_overloads
+     with state.strict_optional_set(True):
+   File "mypy/checker.py", line 5394, in is_unsafe_overlapping_overload_signatures
+     # refuse to do any type inference for now
+   File "mypy/subtypes.py", line 861, in is_callable_compatible
+     # Apply generic type variables away in left via type inference.
+   File "mypy/subtypes.py", line 1094, in unify_generic_callable
+     type_var_ids = [tvar.id for tvar in type.variables]
+   File "mypy/solve.py", line 45, in solve_constraints
+     bottom = join_types(bottom, c.target)
+   File "mypy/join.py", line 113, in join_types
+     s = get_proper_type(s)
+   File "mypy/types.py", line 1156, in accept
+     ret = get_proper_type(self.ret_type)
+   File "mypy/join.py", line 217, in visit_callable_type
+     def visit_union_type(self, t: UnionType) -> ProperType:
+   File "mypy/join.py", line 113, in join_types
+     s = get_proper_type(s)
+   File "mypy/types.py", line 928, in accept
+     self.id: TypeVarId = binder.id
+   File "mypy/join.py", line 162, in visit_type_var
+     For example, the join of 'int' and 'object' is 'object'.
+   File "mypy/join.py", line 352, in default
+     return result[0]
+   File "mypy/join.py", line 510, in object_from_instance
+     fallback = t.fallback
+ IndexError: list index out of range
- mypy/fastparse2.py:134: error: Argument 1 to "is_no_type_check_decorator" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:174: error: Type of variable becomes "Dict[type, Callable[[Optional[Any]], Any]]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:182: error: Argument 2 to "visit" becomes "Optional[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:193: error: Argument 3 to "set_line" becomes "Union[Any, Any, Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:198: error: Argument 2 to "translate_expr_list" becomes "Sequence[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:206: error: Argument 2 to "get_lineno" becomes "Union[Any, Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:211: error: Argument 2 to "translate_stmt_list" becomes "Sequence[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:230: error: Argument 2 to "translate_type_comment" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:245: error: Type of variable becomes "Dict[Type[Any], str]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:260: error: Argument 2 to "from_operator" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:269: error: Type of variable becomes "Dict[Type[Any], str]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:282: error: Argument 2 to "from_comp_operator" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:289: error: Argument 2 to "as_block" becomes "List[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:296: error: Argument 2 to "as_required_block" becomes "List[Any]" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:347: error: Argument 2 to "visit_Module" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:350: error: unused "type: ignore" comment
- mypy/fastparse2.py:367: error: Argument 2 to "visit_FunctionDef" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:480: error: Argument 2 to "transform_args" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:533: error: Argument 2 to "extract_names" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:541: error: Argument 3 to "convert_arg" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:575: error: Argument 2 to "stringify_name" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:588: error: Argument 2 to "visit_ClassDef" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:604: error: Argument 2 to "visit_Return" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:609: error: Argument 2 to "visit_Delete" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:619: error: Argument 2 to "visit_Assign" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:627: error: Argument 2 to "visit_AugAssign" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:634: error: Argument 2 to "visit_For" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:644: error: Argument 2 to "visit_While" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:651: error: Argument 2 to "visit_If" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:658: error: Argument 2 to "visit_With" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:666: error: Argument 2 to "visit_Raise" becomes "Any" due to an unfollowed import  [no-any-unimported]
- mypy/fastparse2.py:682: error: Argument 2 to "visit_TryExcept" becomes "A```

[srittau]

Unfortunately that is currently not possible. See also #2999 and python/mypy#8240.