code: def to_pandas(self, wrap=False, **kwargs):
          
  
          try:
              import pandas as pd
          except ImportError:
              raise DependencyNotInstalledError(
                      'to_pandas requires `pandas` library')
  
          def wrapper(result):
              res = result.values
              if wrap:
                  from .. import DataFrame
                  return DataFrame(res, schema=self.schema)
              return res
  
          return self.execute(wrapper=wrapper, **kwargs)
docs: Convert to pandas DataFrame. Execute at once.
  
          :param wrap: if True, wrap the pandas DataFrame into a PyODPS DataFrame
          :return: pandas DataFrame