code: def setup(self):
      # 10 million length
      n = 10000000
      self.df = pd.DataFrame({"data": np.random.randn(n)})
      self.serialized = pa.serialize_pandas(self.df)
  
imports: import numpy
  import pandas
  import pandas.util.testing
  import pyarrow
label_desc: Use image node_id 1 for calling the SerializeDeserializePandas obj's underlying member method code with example usage: obj.setup() without return types