Update mypy and black

Author: Cito

.mypy.ini

@@ -1,5 +1,5 @@
 [mypy]
-python_version = 3.9
+python_version = 3.10
 check_untyped_defs = True
 no_implicit_optional = True
 strict_optional = True

poetry.lock

@@ -8,7 +8,7 @@
 is_pypy = platform.python_implementation() == "PyPy"
 
 try:  # pragma: no cover
-    anext  # type: ignore
+    anext
 except NameError:  # pragma: no cover (Python < 3.10)
     # noinspection PyShadowingBuiltins
     async def anext(iterator):

tests/execution/test_map_async_iterator.py

@@ -22,7 +22,7 @@
 from pytest import mark, raises
 
 try:
-    anext  # type: ignore
+    anext
 except NameError:  # pragma: no cover (Python < 3.10)
     # noinspection PyShadowingBuiltins
     async def anext(iterator):

tests/execution/test_subscribe.py

@@ -20,20 +20,20 @@ python =
 
 [testenv:black]
 basepython = python3.14
-deps = black==26.1.0
+deps = black==26.5.1
 commands  =
     black src tests setup.py -t py37 --check
 
 [testenv:flake8]
 basepython = python3.14
-deps = flake8>=7,<8
+deps = flake8>=7.3,<8
 commands =
     flake8 src tests setup.py
 
 [testenv:mypy]
 basepython = python3.14
 deps =
-    mypy>=1.19,<2
+    mypy>=2.1,<3
     pytest>=8.4,<9
 commands =
     mypy src tests