How to use the clustergrammer2.clustergrammer_fun.data_formats function in clustergrammer2

def dat_to_df(self):
    '''
    Export Pandas DataFrams (will be deprecated).
    '''
    return data_formats.dat_to_df(self)

else:
        self.col_cats = col_cats

      self.meta_cat = True

    if isinstance(meta_row, pd.DataFrame):
      self.meta_row = meta_row

      if row_cats is None:
        self.row_cats = meta_row.columns.tolist()
      else:
        self.row_cats = row_cats

      self.meta_cat = True

    data_formats.df_to_dat(self, df, define_cat_colors=True)

def df_to_dat(self, df, define_cat_colors=False):
    '''
    Load Pandas DataFrame (will be deprecated).
    '''
    data_formats.df_to_dat(self, df, define_cat_colors)

def load_data_to_net(net, inst_net):
  ''' load data into nodes and mat, also convert mat to numpy array'''
  net.dat['nodes'] = inst_net['nodes']
  net.dat['mat'] = inst_net['mat']
  data_formats.mat_to_numpy_arr(net)