code: def require_minimum_pandas_version():
      
      # TODO(HyukjinKwon): Relocate and deduplicate the version specification.
      minimum_pandas_version = "0.19.2"
  
      from distutils.version import LooseVersion
      try:
          import pandas
          have_pandas = True
      except ImportError:
          have_pandas = False
      if not have_pandas:
          raise ImportError("Pandas >= %s must be installed; however, "
                            "it was not found." % minimum_pandas_version)
      if LooseVersion(pandas.__version__) < LooseVersion(minimum_pandas_version):
          raise ImportError("Pandas >= %s must be installed; however, "
                            "your version was %s." % (minimum_pandas_version, pandas.__version__))
docs: Raise ImportError if minimum version of Pandas is not installed