code: def setup(self, constructor, kwargs_method, dtype):
      N = 10**5
      kwargs, method = kwargs_method
      arr = (100 * np.random.random(N)).astype(dtype)
      self.method = method
      self.ewm = getattr(pd, constructor)(arr).ewm(**kwargs)
  
imports: import warnings
  import numpy
  import pandas
  from .pandas_vb_common import setup
label_desc: Use image node_id 1 for calling the EWMMethods obj's underlying member method code with example usage: obj.setup(constructor, kwargs_method, dtype) without return types