Can't upgrade "ImportError: No module named util"

[Aguay]

Hi,

I tried to upgrade my netbox instance using "upgrade.sh" but i was not able to finish the upgrade.

Traceback (most recent call last):
  File "./netbox/manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 367, in execute_from_command_line
    utility.execute()
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 341, in execute
    django.setup()
  File "/usr/local/lib/python2.7/dist-packages/django/__init__.py", line 27, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 108, in populate
    app_config.import_models(all_models)
  File "/usr/local/lib/python2.7/dist-packages/django/apps/config.py", line 199, in import_models
    self.models_module = import_module(models_module_name)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/python2.7/dist-packages/mptt/models.py", line 14, in <module>
    from mptt.fields import TreeForeignKey, TreeOneToOneField, TreeManyToManyField
  File "/usr/lib/python2.7/dist-packages/mptt/fields.py", line 9, in <module>
    from mptt.forms import TreeNodeChoiceField, TreeNodeMultipleChoiceField
  File "/usr/lib/python2.7/dist-packages/mptt/forms.py", line 7, in <module>
    from django.forms.util import ErrorList
ImportError: No module named util
Traceback (most recent call last):
  File "./netbox/manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 367, in execute_from_command_line
    utility.execute()
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 341, in execute
    django.setup()
  File "/usr/local/lib/python2.7/dist-packages/django/__init__.py", line 27, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 108, in populate
    app_config.import_models(all_models)
  File "/usr/local/lib/python2.7/dist-packages/django/apps/config.py", line 199, in import_models
    self.models_module = import_module(models_module_name)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/lib/python2.7/dist-packages/mptt/models.py", line 14, in <module>
    from mptt.fields import TreeForeignKey, TreeOneToOneField, TreeManyToManyField
  File "/usr/lib/python2.7/dist-packages/mptt/fields.py", line 9, in <module>
    from mptt.forms import TreeNodeChoiceField, TreeNodeMultipleChoiceField
  File "/usr/lib/python2.7/dist-packages/mptt/forms.py", line 7, in <module>
    from django.forms.util import ErrorList
ImportError: No module named util

The pip requirements installation not failed.

Any Help ?

[Jeremy Stretch]

Looks like an incompatibility between your Django and mptt libraries. Could you post the output of `pip freeze` please?

Jeremy

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[Aguay]

➜  ~ pip freeze
appdirs==1.4.2
cffi==1.9.1
chardet==2.3.0
colorama==0.3.7
coreapi==2.2.4
coreschema==0.0.4
cryptography==1.7.2
Django==1.10.6
django-debug-toolbar==1.7
django-filter==1.0.1
django-mptt==0.8.7
django-rest-swagger==0.3.10
django-tables2==1.4.1
djangorestframework==3.5.4
graphviz==0.5.2
html5lib==0.999999999
idna==2.4
itypes==1.1.0
Jinja2==2.9.5
lxml==3.7.3
Markdown==2.6.8
MarkupSafe==0.23
natsort==5.0.2
ncclient==0.5.2
netaddr==0.7.18
openapi-codec==1.3.1
packaging==16.8
paramiko==2.1.2
psycopg2==2.7
py-gfm==0.1.3
pyasn1==0.2.3
pycparser==2.17
pycrypto==2.6.1
pyparsing==2.2.0
PyYAML==3.12
simplejson==3.10.0
six==1.10.0
sqlparse==0.2.3
uritemplate==3.0.0
urllib3==1.20
webencodings==0.5
xmltodict==0.10.2

Here the pip freeze output.

Aguay

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[Jeremy Stretch]

That's very strange. I have it running without issue on Django 1.10.6 and django-mptt 0.8.7. The error you posted indicates:

from django.forms.util import ErrorList

But I'm pretty sure that should be "django.forms.utils" (with an s). You might be running an outdated version of django-mptt. Can you try re-installing it?

pip install --force-reinstall django-mptt

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[Aguay]

Yes that's   what i saw when i tried to find why i was not able to upgrade.

I realized that i tried to install django-mptt with debian packages. Which are, of course, outdated. 

Then i removed debian package and re-launch force install

Finally i was able to upgrade successfully. 

Thanks for the help