### Full traceback:

(hpat_unittests) akozlov@fxsatlin01: /localdisk/work/akozlov/miniconda3/hpat (feature/fix_series_fillna)$ python ./hpat/tests/test_join.py
/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/importlib/_bootstrap.py:219: RuntimeWarning: numpy.ufunc size changed, may indicate binary incompatibility. Expected 192 from C header, got 216 from PyObject
  return f(*args, **kwds)
E
======================================================================
ERROR: test_join_cat1 (__main__.TestJoin)
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Traceback (most recent call last):
  File "./hpat/tests/test_join.py", line 346, in test_join_cat1
    pd.testing.assert_frame_equal(hpat_func(), test_impl())
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/dispatcher.py", line 370, in _compile_for_args
    raise e
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/dispatcher.py", line 327, in _compile_for_args
    return self.compile(tuple(argtypes))
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/compiler_lock.py", line 32, in _acquire_compile_lock
    return func(*args, **kwargs)
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/dispatcher.py", line 668, in compile
    cres = self._compiler.compile(args, return_type)
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/dispatcher.py", line 83, in compile
    pipeline_class=self.pipeline_class)
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/compiler.py", line 956, in compile_extra
    return pipeline.compile_extra(func)
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/compiler.py", line 377, in compile_extra
    return self._compile_bytecode()
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/compiler.py", line 887, in _compile_bytecode
    return self._compile_core()
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/compiler.py", line 874, in _compile_core
    res = pm.run(self.status)
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/compiler_lock.py", line 32, in _acquire_compile_lock
    return func(*args, **kwargs)
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/compiler.py", line 254, in run
    raise patched_exception
  File "/localdisk/work/akozlov/miniconda3/envs/hpat_unittests/lib/python3.7/site-packages/numba/compiler.py", line 245, in run
    stage()
  File "../hpat/compiler.py", line 264, in stage_dataframe_pass
    df_pass.run()
  File "../hpat/hiframes/dataframe_pass.py", line 113, in run
    out_nodes = self._run_assign(inst)
  File "../hpat/hiframes/dataframe_pass.py", line 202, in _run_assign
    return self._run_call(assign, lhs, rhs)
  File "../hpat/hiframes/dataframe_pass.py", line 522, in _run_call
    return self._run_call_join(assign, lhs, rhs)
  File "../hpat/hiframes/dataframe_pass.py", line 1488, in _run_call_join
    left_on = self._get_const_or_list(left_on_var)
  File "../hpat/hiframes/dataframe_pass.py", line 2135, in _get_const_or_list
    raise ValueError(err_msg)
ValueError: Failed in hpat mode pipeline (step: typed dataframe pass)
None

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Ran 1 test in 0.272s