GH-139862: Remove color from HelpFormatter

Lib/argparse.py

@@ -166,15 +166,13 @@ def __init__(
         indent_increment=2,
         max_help_position=24,
         width=None,
-        color=True,
     ):
         # default setting for width
         if width is None:
             import shutil
             width = shutil.get_terminal_size().columns
             width -= 2
 
-        self._set_color(color)
         self._prog = prog
         self._indent_increment = indent_increment
         self._max_help_position = min(max_help_position,

Misc/NEWS.d/next/Library/2025-12-04-23-24-24.gh-issue-139862.NBfsD4.rst

@@ -0,0 +1 @@
+Remove ``color`` parameter from :class:`argparse.HelpFormatter` constructor. Color is controlled by :class:`ArgumentParser`.