code: def append(self, item):
      warnings.warn(
          """format_commands is now a dict. append is deprecated.""",
          DeprecationWarning,
          stacklevel=2,
      )
  
file_path: catboost/contrib/python/setuptools/py3/setuptools/_distutils/command/bdist.py
imports: import os
  import warnings
  from ..core import Command
  from ..errors import DistutilsPlatformError, DistutilsOptionError
  from ..util import get_platform
label_desc: Use image node_id 1 for calling the ListCompat obj's underlying member method code with example usage: obj.append(item) without return types