Details
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Bug
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Status: Resolved
-
P2
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Resolution: Fixed
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2.1.0
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None
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Python 2.7 in a virtualenv on MacOS
Description
$ virtualenv venv
[...]
$ source venv/bin/activate
[...]
$ pip install apache-beam[gcp]==2.1.0 six==1.11.0
[...]
$ python -c 'import apache_beam'
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apache_beam/_init_.py", line 78, in <module>
from apache_beam import io
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apache_beam/io/_init_.py", line 21, in <module>
from apache_beam.io.avroio import *
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apache_beam/io/avroio.py", line 29, in <module>
from apache_beam.io import filebasedsource
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apache_beam/io/filebasedsource.py", line 33, in <module>
from apache_beam.io.filesystems import FileSystems
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apache_beam/io/filesystems.py", line 31, in <module>
from apache_beam.io.gcp.gcsfilesystem import GCSFileSystem
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apache_beam/io/gcp/gcsfilesystem.py", line 27, in <module>
from apache_beam.io.gcp import gcsio
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apache_beam/io/gcp/gcsio.py", line 36, in <module>
from apache_beam.utils import retry
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apache_beam/utils/retry.py", line 38, in <module>
from apitools.base.py.exceptions import HttpError
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apitools/base/py/_init_.py", line 21, in <module>
from apitools.base.py.base_api import *
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apitools/base/py/base_api.py", line 31, in <module>
from apitools.base.protorpclite import message_types
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apitools/base/protorpclite/message_types.py", line 25, in <module>
from apitools.base.protorpclite import messages
File "/Users/snormore/Workspace/beam-six/venv/lib/python2.7/site-packages/apitools/base/protorpclite/messages.py", line 1165, in <module>
class Field(six.with_metaclass(_FieldMeta, object)):
TypeError: Error when calling the metaclass bases
metaclass conflict: the metaclass of a derived class must be a (non-strict) subclass of the metaclasses of all its bases
(venv)
$ pip install six==1.10.0
[...]
$ python -c 'import apache_beam'
[success]
