code: def setup(self, op, dtype):
      s = pd.Series(np.random.randn(100000)).astype(dtype)
      self.s_func = getattr(s, op)
  
imports: import numpy
  import pandas
  from .pandas_vb_common import setup
label_desc: Use image node_id 1 for calling the SeriesOps obj's underlying member method code with example usage: obj.setup(op, dtype) without return types