Traceback (most recent call last):


 "mwe15.py", line 7, in <module>

df.to_hdf("/tmp/fubar.h5", "root")


 "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/pandas/core/generic.py", line 2504, in to_hdf

encoding=encoding,


 "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/pandas/io/pytables.py", line 282, in to_hdf

f(store)


 "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/pandas/io/pytables.py", line 274, in <lambda>

encoding=encoding,


 "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/pandas/io/pytables.py", line 1042, in put

errors=errors,


 "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/pandas/io/pytables.py", line 1709, in _write_to_group

data_columns=data_columns,


 "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/pandas/io/pytables.py", line 3100, in write

self.write_array(f"block{i}_values", blk.values, items=blk_items)


 "/media/nas/x21324/miniconda3/envs/py37e/lib/python3.7/site-packages/pandas/io/pytables.py", line 2906, in write_array

empty_array = value.size == 0
AttributeError: 'StringArray' object has no attribute 'size'

Traceback (most recent call last):


 "/usr/bin/molecule", line 11, in <module>

sys.exit(main())


 "/usr/lib/python2.7/site-packages/molecule/cli.py", line 41, in main

cli(obj={})


 "/usr/lib/python2.7/site-packages/click/core.py", line 722, in __call__

return self.main(*args, **kwargs)


 "/usr/lib/python2.7/site-packages/click/core.py", line 697, in main

rv = self.invoke(ctx)


 "/usr/lib/python2.7/site-packages/click/core.py", line 1066, in invoke

return _process_result(sub_ctx.command.invoke(sub_ctx))


 "/usr/lib/python2.7/site-packages/click/core.py", line 895, in invoke

return ctx.invoke(self.callback, **ctx.params)


 "/usr/lib/python2.7/site-packages/click/core.py", line 535, in invoke

return callback(*args, **kwargs)


 "/usr/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func

return f(get_current_context(), *args, **kwargs)


 "/usr/lib/python2.7/site-packages/molecule/command/test.py", line 94, in test

t = Test(ctx.obj.get('args'), command_args)


 "/usr/lib/python2.7/site-packages/molecule/command/base.py", line 60, in __init__

self.main()


 "/usr/lib/python2.7/site-packages/molecule/command/base.py", line 83, in main

self.molecule.main()


 "/usr/lib/python2.7/site-packages/molecule/core.py", line 57, in main

self.driver = self._get_driver()


 "/usr/lib/python2.7/site-packages/molecule/core.py", line 312, in _get_driver

return dockerdriver.DockerDriver(self)


 "/usr/lib/python2.7/site-packages/molecule/driver/dockerdriver.py", line 39, in __init__

self._docker = docker.APIClient(
AttributeError: 'module' object has no attribute 'APIClient'
