AttributeError: module 'django.contrib.postgres.fields' has no attribute 'JSONField'

Question

Installing project from GitHub repo and receive following error after all

 File "/Users/TheKotik/closer/blog/models.py", line 5, in <module>
    from rest_framework import serializers
  File "/Users/TheKotik/closer/denv/lib/python3.5/site-packages/rest_framework/serializers.py", line 1534, in <module>
    ModelSerializer.serializer_field_mapping[postgres_fields.JSONField] = JSONField
AttributeError: module 'django.contrib.postgres.fields' has no attribute 'JSONField'

Have no idea, what it's related to. Please help..

The whole traceback:

    File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/Users/TheKotik/closer/denv/lib/python3.5/site-packages/django/core/management/__init__.py", line 338, in execute_from_command_line
    utility.execute()
  File "/Users/TheKotik/closer/denv/lib/python3.5/site-packages/django/core/management/__init__.py", line 312, in execute
    django.setup()
  File "/Users/TheKotik/closer/denv/lib/python3.5/site-packages/django/__init__.py", line 18, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/Users/TheKotik/closer/denv/lib/python3.5/site-packages/django/apps/registry.py", line 108, in populate
    app_config.import_models(all_models)
  File "/Users/TheKotik/closer/denv/lib/python3.5/site-packages/django/apps/config.py", line 198, in import_models
    self.models_module = import_module(models_module_name)
  File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 665, in exec_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "/Users/TheKotik/closer/blog/models.py", line 5, in <module>
    from rest_framework import serializers
  File "/Users/TheKotik/closer/denv/lib/python3.5/site-packages/rest_framework/serializers.py", line 1534, in <module>
    ModelSerializer.serializer_field_mapping[postgres_fields.JSONField] = JSONField
AttributeError: module 'django.contrib.postgres.fields' has no attribute 'JSONField'

compare the version you are using to the github one and tell me — mohammedgqudah
– mohammedgqudah, Commented Oct 24, 2017 at 16:30
^^ JSONField was introduced in Django 1.9, if you're on something less than that, you won't have it. — wpercy
– wpercy, Commented Oct 24, 2017 at 16:32

wpercy · Accepted Answer · 2017-10-24 16:38:33Z

2

Your Django version is too low. JSONField was added in Django 1.9 (release notes), so you'll need to upgrade in order to use JSONField

answered Oct 24, 2017 at 16:38

wpercy

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2 Comments

Frank Over a year ago

I needed to update project in production, so I'll have to update django version there as well? There is no way to stay on 1.8?

wpercy Over a year ago

Not if you want to use JSONField. It literally didn't exist before 1.9. If your project has a requirements.txt file that it builds from, you should be able to just update the version number in there.

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