Traceback (most recent call last):


 "/home/bar/.local/lib/python3.6/site-packages/IPython/core/interactiveshell.py", line 3326, in run_code

exec(code_obj, self.user_global_ns, self.user_ns)


 "<ipython-input-19-15c3ee7df6bb>", line 1, in <module>

a_df.select_dtypes('category')


 "/home/bar/.local/lib/python3.6/site-packages/modin/pandas/dataframe.py", line 1412, in select_dtypes

is_dtype_instance_mapper, self.dtypes.iteritems()


 "/home/bar/.local/lib/python3.6/site-packages/modin/pandas/dataframe.py", line 1409, in is_dtype_instance_mapper

return column, functools.partial(issubclass, dtype.type)
AttributeError: 'str' object has no attribute 'type'

PIO Core Call Error: "<Exception instance at 0x4584ee0 with str error:\n Traceback (most recent call last):\n

 \"C:\\.platformio\\packages\\contrib-pysite\\twisted\\python\\reflect.py\", line 448, in safe_str\n
return str(o)\nUnicodeEncodeError: 'ascii' codec can't encode character u'\\xf3' in position 66: ordinal not in range(128)\n>"

