code: def __enter__(self):
      rc = mpl.rcParams
      self._orig = {k: rc[k] for k in self._keys}
      self._set(self)
  
imports: import functools
  import numpy
  import matplotlib
  from distutils.version import LooseVersion
  from ..None import _orig_rc_params
  from .palettes import color_palette, set_color_codes
label_desc: Use image node_id 1 for calling the _RCAesthetics obj's underlying member method code with example usage: obj.__enter__() without return types