[TVMScript] Disable black_format by default (apache#15706)

`Black` is a popular code formatter for Python. However, it is not
suitable for TVM script. This PR tries to disable it by default.

Author: Siyuan Feng

python/tvm/runtime/script_printer.py

@@ -261,7 +261,7 @@ def _relax_script(
     def show(
         self,
         style: Optional[str] = None,
-        black_format: bool = True,
+        black_format: bool = False,
         *,
         name: Optional[str] = None,
         show_meta: bool = False,
@@ -291,7 +291,7 @@ def show(
             Pygmentize printing style, auto-detected if None.  See
             `tvm.script.highlight.cprint` for more details.
         black_format: bool
-            If true (default), use the formatter Black to format the TVMScript
+            If true, use the formatter Black to format the TVMScript
         name : Optional[str] = None
             The name of the object
         show_meta : bool = False

python/tvm/script/highlight.py

@@ -26,7 +26,7 @@
 def cprint(
     printable: Union[Any, str],
     style: Optional[str] = None,
-    black_format: bool = True,
+    black_format: bool = False,
 ) -> None:
     """Print TVMScript string with Pygments highlight and Black auto-formatting.
 
@@ -42,7 +42,7 @@ def cprint(
 
     black_format: bool
 
-        If true (default), use the formatter Black to format the TVMScript
+        If true, use the formatter Black to format the TVMScript
 
     Notes
     -----

python/tvm/tir/schedule/schedule.py

@@ -268,7 +268,7 @@ def fork_seed(self) -> int:
         """
         return _ffi_api.ScheduleForkSeed(self)  # type: ignore # pylint: disable=no-member
 
-    def show(self, style: Optional[str] = None, black_format: bool = True) -> None:
+    def show(self, style: Optional[str] = None, black_format: bool = False) -> None:
         """A sugar for print highlighted TVM script.
 
         Parameters
@@ -280,7 +280,7 @@ def show(self, style: Optional[str] = None, black_format: bool = True) -> None:
 
         black_format: bool
 
-            If true (default), use the formatter Black to format the TVMScript
+            If true, use the formatter Black to format the TVMScript
         """
         mod = self.mod
         if mod is not None:

python/tvm/tir/schedule/trace.py

@@ -262,7 +262,7 @@ def apply_json_to_schedule(json_obj: JSON_TYPE, sch: "Schedule") -> None:
         """
         _ffi_api.TraceApplyJSONToSchedule(json_obj, sch)  # type: ignore # pylint: disable=no-member
 
-    def show(self, style: Optional[str] = None, black_format: bool = True) -> None:
+    def show(self, style: Optional[str] = None, black_format: bool = False) -> None:
         """A sugar for print highlighted TVM script.
 
         Parameters
@@ -274,7 +274,7 @@ def show(self, style: Optional[str] = None, black_format: bool = True) -> None:
 
         black_format: bool
 
-            If true (default), use the formatter Black to format the TVMScript
+            If true, use the formatter Black to format the TVMScript
         """
         from tvm.script.highlight import (  # pylint: disable=import-outside-toplevel
             cprint,