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Posted to commits@beam.apache.org by "Ahmet Altay (JIRA)" <ji...@apache.org> on 2017/10/03 16:10:00 UTC
[jira] [Resolved] (BEAM-2964) Latest six (1.11.0) produces
"metaclass conflict: the metaclass of a derived class must be a
(non-strict) subclass of the metaclasses of all its bases"
[ https://issues.apache.org/jira/browse/BEAM-2964?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ahmet Altay resolved BEAM-2964.
-------------------------------
Resolution: Fixed
Fix Version/s: 2.2.0
Fixed in 2.1.1.
> Latest six (1.11.0) produces "metaclass conflict: the metaclass of a derived class must be a (non-strict) subclass of the metaclasses of all its bases"
> -------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: BEAM-2964
> URL: https://issues.apache.org/jira/browse/BEAM-2964
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Affects Versions: 2.1.0
> Environment: Python 2.7 in a virtualenv on MacOS
> Reporter: Steven Normore
> Assignee: Ahmet Altay
> Fix For: 2.2.0
>
>
> $ 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]
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