导入BigQuery时：
from google.cloud import bigquery
我收到以下错误：
Traceback (most recent call last):
File "/Users/manuelgodoy/Projects/Klein/src/application/storage/bigquery_models.py", line 6, in <module>
from google.cloud import bigquery
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/google/cloud/bigquery/__init__.py", line 32, in <module>
__version__ = get_distribution('google-cloud-bigquery').version
File "/Users/manuelgodoy/Projects/google-cloud-sdk/platform/google_appengine/lib/setuptools-0.6c11/pkg_resources.py", line 311, in get_distribution
if isinstance(dist,Requirement): dist = get_provider(dist)
File "/Users/manuelgodoy/Projects/google-cloud-sdk/platform/google_appengine/lib/setuptools-0.6c11/pkg_resources.py", line 197, in get_provider
return working_set.find(moduleOrReq) or require(str(moduleOrReq))[0]
File "/Users/manuelgodoy/Projects/google-cloud-sdk/platform/google_appengine/lib/setuptools-0.6c11/pkg_resources.py", line 666, in require
needed = self.resolve(parse_requirements(requirements))
File "/Users/manuelgodoy/Projects/google-cloud-sdk/platform/google_appengine/lib/setuptools-0.6c11/pkg_resources.py", line 565, in resolve
raise DistributionNotFound(req) # XXX put more info here
DistributionNotFound: google-cloud-bigquery
有人知道如何解决这个问题吗？
我完全按照Google文档的建议安装了库：
pip install --upgrade google-cloud-bigquery