[GitHub] veszig commented on issue #5004: db upgrade importError:No module named 'contextlib2'

[GitBox]

veszig commented on issue #5004:  db upgrade importError:No module named 
'contextlib2'
URL: 
https://github.com/apache/incubator-superset/issues/5004#issuecomment-389277179
 
 
   I have the same issue. After upgrading I get the following error message 
when I try to upgrade the db:
   
   ```
   $ superset db upgrade                                             
   Traceback (most recent call last):
     File "/mnt/srv/superset/venv/bin/superset", line 12, in <module>
       from superset.cli import manager
     File 
"/mnt/srv/superset/venv/local/lib/python2.7/site-packages/superset/__init__.py",
 line 179, in <module>
       ConnectorRegistry.register_sources(module_datasource_map)
     File 
"/mnt/srv/superset/venv/local/lib/python2.7/site-packages/superset/connectors/connector_registry.py",
 line 20, in register_sources
       module_obj = __import__(module_name, fromlist=class_names)
     File 
"/mnt/srv/superset/venv/local/lib/python2.7/site-packages/superset/connectors/sqla/__init__.py",
 line 3, in <module>
       from . import views  # noqa
     File 
"/mnt/srv/superset/venv/local/lib/python2.7/site-packages/superset/connectors/sqla/views.py",
 line 19, in <module>
       from superset.connectors.base.views import DatasourceModelView
     File 
"/mnt/srv/superset/venv/local/lib/python2.7/site-packages/superset/connectors/base/views.py",
 line 11, in <module>
       from superset.views.base import SupersetModelView
     File 
"/mnt/srv/superset/venv/local/lib/python2.7/site-packages/superset/views/__init__.py",
 line 3, in <module>
       from . import core  # noqa
     File 
"/mnt/srv/superset/venv/local/lib/python2.7/site-packages/superset/views/core.py",
 line 36, in <module>
       from superset import (
     File 
"/mnt/srv/superset/venv/local/lib/python2.7/site-packages/superset/sql_lab.py", 
line 12, in <module>
       from contextlib2 import contextmanager
   ImportError: No module named contextlib2
   ```
   Versions:
   
   ```
   $ lsb_release -a
   No LSB modules are available.
   Distributor ID: Ubuntu
   Description:    Ubuntu 16.04.3 LTS
   Release:        16.04
   Codename:       xenial
   $ python -V
   Python 2.7.12
   ```
   
   And `pip install contextlib2` fixes this issue but I get another seemingly 
unrelated exception.

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