code: def time_method(self, method, window_kwargs):
      getattr(self.groupby_window, method)()
  
imports: import warnings
  import numpy
  import pandas
  from .pandas_vb_common import setup
label_desc: Use image node_id 2 for calling the Groupby obj's underlying member method code with example usage: obj.time_method(method, window_kwargs) without return types