Travis CI failing for Python v3.6 about hatchet HOT 7 CLOSED

_______________________________________________________________________________ test_graphframe _______________________________________________________________________________

self = Index([], dtype='object'), key = 'node', method = None, tolerance = None

    @Appender(_index_shared_docs['get_loc'])
    def get_loc(self, key, method=None, tolerance=None):
        if method is None:
            if tolerance is not None:
                raise ValueError('tolerance argument only valid if using pad, '
                                 'backfill or nearest lookups')
            try:
>               return self._engine.get_loc(key)

/usr/local/lib/python3.7/site-packages/pandas/core/indexes/base.py:2657: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

>   ???

pandas/_libs/index.pyx:108: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

>   ???

pandas/_libs/index.pyx:132: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

>   ???

pandas/_libs/hashtable_class_helper.pxi:1601: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

>   ???
E   KeyError: 'node'

pandas/_libs/hashtable_class_helper.pxi:1608: KeyError

During handling of the above exception, another exception occurred:

calc_pi_callgrind_dot = '/private/var/folders/0s/q_y0zhfj6xdd5n7rn780zz6h001qr7/T/pytest-of-gamblin2/pytest-10/test_graphframe1/callgrind.dot.64042.0.1'

    def test_graphframe(calc_pi_callgrind_dot):
        """Sanity test a GraphFrame object with known data."""
    
        gf = GraphFrame()
>       gf.from_gprof_dot(str(calc_pi_callgrind_dot))

tests/callgrind.py:28: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
hatchet/graphframe.py:56: in from_gprof_dot
    self.inc_metrics) = reader.create_graphframe()
hatchet/gprof_dot_reader.py:121: in create_graphframe
    dataframe.set_index(index, drop=False, inplace=True)
/usr/local/lib/python3.7/site-packages/pandas/core/frame.py:4178: in set_index
    level = frame[col]._values
/usr/local/lib/python3.7/site-packages/pandas/core/frame.py:2927: in __getitem__
    indexer = self.columns.get_loc(key)
/usr/local/lib/python3.7/site-packages/pandas/core/indexes/base.py:2659: in get_loc
    return self._engine.get_loc(self._maybe_cast_indexer(key))
pandas/_libs/index.pyx:108: in pandas._libs.index.IndexEngine.get_loc
    ???
pandas/_libs/index.pyx:132: in pandas._libs.index.IndexEngine.get_loc
    ???
pandas/_libs/hashtable_class_helper.pxi:1601: in pandas._libs.hashtable.PyObjectHashTable.get_item
    ???
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

>   ???
E   KeyError: 'node'

pandas/_libs/hashtable_class_helper.pxi:1608: KeyError
_________________________________________________________________________ test_read_calc_pi_database __________________________________________________________________________

calc_pi_callgrind_dot = '/private/var/folders/0s/q_y0zhfj6xdd5n7rn780zz6h001qr7/T/pytest-of-gamblin2/pytest-10/test_read_calc_pi_database1/callgrind.dot.64042.0.1'

    def test_read_calc_pi_database(calc_pi_callgrind_dot):
        """Sanity check the GprofDot reader by examining a known input."""
        reader = GprofDotReader(str(calc_pi_callgrind_dot))
    
        list_roots = reader.create_graph()
        root_names = []
        for root in list_roots:
            root_names.append(root.callpath[-1])
    
>       assert all(rt in root_names for rt in roots)
E       assert False
E        +  where False = all(<generator object test_read_calc_pi_database.<locals>.<genexpr> at 0x1194aab10>)

tests/callgrind.py:44: AssertionError