code: def time_ewm_mean(self, method):
      self.df.ewm(1, method=method).mean(engine="numba")
  
imports: import warnings
  import numpy
  import pandas
  from .pandas_vb_common import setup
label_desc: Use image node_id 3 for calling the TableMethod obj's underlying member method code with example usage: obj.time_ewm_mean(method) without return types