code: def setup(self):
      N = 500
      M = 10
      self.df = DataFrame(np.random.randn(N, M))
      self.df["Name"] = ["A"] * N
  
imports: import contextlib
  import importlib.machinery
  import importlib.util
  import os
  import pathlib
  import sys
  import tempfile
  from unittest import mock
  import matplotlib
  import numpy
  from pandas import DataFrame, DatetimeIndex, Series, date_range
  from pandas.plotting._core import _get_plot_backend
  from .pandas_vb_common import setup
label_desc: Use image node_id 1 for calling the Misc obj's underlying member method code with example usage: obj.setup() without return types