Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "C:\src\github\python-docs-samples\spanner\cloud-client\env\lib\site-packages\google\cloud\spanner\__init__.py", line 18, in <module>

from google.cloud.spanner.client import Client


 "C:\src\github\python-docs-samples\spanner\cloud-client\env\lib\site-packages\google\cloud\spanner\client.py", line 42, in <module>

from google.cloud.spanner.instance import DEFAULT_NODE_COUNT


 "C:\src\github\python-docs-samples\spanner\cloud-client\env\lib\site-packages\google\cloud\spanner\instance.py", line 33, in <module>

from google.cloud.spanner.database import Database


 "C:\src\github\python-docs-samples\spanner\cloud-client\env\lib\site-packages\google\cloud\spanner\database.py", line 35, in <module>

from google.cloud.spanner.session import Session


 "C:\src\github\python-docs-samples\spanner\cloud-client\env\lib\site-packages\google\cloud\spanner\session.py", line 28, in <module>

from google.cloud.spanner.snapshot import Snapshot


 "C:\src\github\python-docs-samples\spanner\cloud-client\env\lib\site-packages\google\cloud\spanner\snapshot.py", line 22, in <module>

from google.cloud._helpers import _timedelta_to_duration_pb
ImportError: cannot import name _timedelta_to_duration_pb

Traceback (most recent call last):


 "C:\Anaconda3\lib\site-packages\IPython\core\interactiveshell.py", line 2847, in run_code

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


 "<ipython-input-3-89e32976a845>", line 1, in <module>

import pandas_datareader


 "C:\Program 
s\JetBrains\PyCharm Community Edition 2017.1.2\helpers\pydev\_pydev_bundle\pydev_import_hook.py", line 21, in do_import

module = self._system_import(name, *args, **kwargs)


 "C:\Anaconda3\lib\site-packages\pandas_datareader\__init__.py", line 3, in <module>

from .data import (get_components_yahoo, get_data_famafrench, get_data_google, get_data_yahoo, get_data_enigma,
# noqa


 "C:\Program 
s\JetBrains\PyCharm Community Edition 2017.1.2\helpers\pydev\_pydev_bundle\pydev_import_hook.py", line 21, in do_import

module = self._system_import(name, *args, **kwargs)


 "C:\Anaconda3\lib\site-packages\pandas_datareader\data.py", line 7, in <module>

from pandas_datareader.google.daily import GoogleDailyReader


 "C:\Program 
s\JetBrains\PyCharm Community Edition 2017.1.2\helpers\pydev\_pydev_bundle\pydev_import_hook.py", line 21, in do_import

module = self._system_import(name, *args, **kwargs)


 "C:\Anaconda3\lib\site-packages\pandas_datareader\google\daily.py", line 1, in <module>

from pandas_datareader.base import _DailyBaseReader


 "C:\Program 
s\JetBrains\PyCharm Community Edition 2017.1.2\helpers\pydev\_pydev_bundle\pydev_import_hook.py", line 21, in do_import

module = self._system_import(name, *args, **kwargs)


 "C:\Anaconda3\lib\site-packages\pandas_datareader\base.py", line 13, in <module>

from pandas_datareader._utils import (RemoteDataError, SymbolWarning,


 "C:\Program 
s\JetBrains\PyCharm Community Edition 2017.1.2\helpers\pydev\_pydev_bundle\pydev_import_hook.py", line 21, in do_import

module = self._system_import(name, *args, **kwargs)


 "C:\Anaconda3\lib\site-packages\pandas_datareader\_utils.py", line 5, in <module>

from pandas.core.common import PandasError
ImportError: cannot import name 'PandasError'
