code: def time_ewm(self, constructor, kwargs_method, dtype):
      getattr(self.ewm, self.method)()
  
imports: import warnings
  import numpy
  import pandas
  from .pandas_vb_common import setup
label_desc: Use image node_id 2 for calling the EWMMethods obj's underlying member method code with example usage: obj.time_ewm(constructor, kwargs_method, dtype) without return types