self = 
def test_multiple_labels_with_just_one(self):
    NAME = "instance_id"
    NAMES = [NAME]

    iterable = generate_query_results()


  dataframe = self._call_fut(iterable, labels=NAMES)


tests/unit/test__dataframe.py:136:

tests/unit/test__dataframe.py:88: in _call_fut

return _dataframe._build_dataframe(*args, **kwargs)

google/cloud/monitoring_v3/_dataframe.py:101: in _build_dataframe

data=[_extract_value(point.value) for point in time_series.points],

google/cloud/monitoring_v3/_dataframe.py:101: in 

data=[_extract_value(point.value) for point in time_series.points],

google/cloud/monitoring_v3/_dataframe.py:54: in _extract_value

value_type = monitoring_v3.TypedValue.pb(typed_value).WhichOneof("value")

cls = <class 'google.cloud.monitoring_v3.types.common.TypedValue'>

obj = double_value: 0
def pb(cls, obj=None, *, coerce: bool = False):
    """Return the underlying protobuf Message class or instance.

    Args:
        obj: If provided, and an instance of ``cls``, return the
            underlying protobuf instance.
        coerce (bool): If provided, will attempt to coerce ``obj`` to
            ``cls`` if it is not already an instance.
    """
    if obj is None:
        return cls.meta.pb
    if not isinstance(obj, cls):
        if coerce:
            obj = cls(obj)
        else:


          raise TypeError(


                "%r is not an instance of %s"
                % (
                    obj,
                    cls.__name__,
                )
            )

E               TypeError: double_value: 0

E                is not an instance of TypedValue
.nox/unit-3-8/lib/python3.8/site-packages/proto/message.py:323: TypeError