code: def setup(self, nunique):
      self.num_cols = 10
      self.value_size = 32
      self.nunique = nunique
      self.length = 10000000
  
      self.table = generate_dict_table(
          self.num_cols, self.value_size, self.nunique, self.length
      )
      self.table_sequential = generate_dict_table(
          self.num_cols,
          self.value_size,
          self.nunique,
          self.length,
          random_order=False,
      )
  
imports: import shutil
  import tempfile
  from pandas.util.testing import rands
  import numpy
  import pandas
  import pyarrow
label_desc: Use image node_id 1 for calling the ParquetWriteDictionaries obj's underlying member method code with example usage: obj.setup(nunique) without return types