Refs #29501 -- Simplified BaseCommand.run_from_argv() a bit.

Author: adamchainz

django/core/management/base.py

@@ -326,8 +326,8 @@ def run_from_argv(self, argv):
  handle_default_options(options)
  try:
  self.execute(*args, **cmd_options)
- except Exception as e:
- if options.traceback or not isinstance(e, CommandError):
+ except CommandError as e:
+ if options.traceback:
  raise
 
  # SystemCheckError takes care of its own formatting.