code: def _repr_name(self):
      try:
          from pandas.core.window import (
              ExponentialMovingWindow,
          )  # noqa: F401
  
          return "ExponentialMovingWindow"
      except ImportError:  # pragma: no cover
          return "EWM"
  
imports: import math
  from collections import OrderedDict
  from ....serialization.serializables import Int64Field, BoolField, Int32Field, Float64Field, StringField
  from ....utils import pd_release_version
  from ...utils import validate_axis
  from ..core import Window
label_desc: Use image node_id 11 for calling the EWM obj's underlying member method code with example usage: obj._repr_name() and returns: str, str