ModuleNotFoundError: No module named 'models'

[The-Judge]

I'm using:

• Django 2.2.2
• Python 3.7.3
• django-background-task 0.1.8

To circumvent #28 , I applied this patch to models.py:

--- models.py   2019-06-27 13:20:34.467204000 +0000
+++ models.py_  2019-06-27 13:20:21.818710000 +0000
@@ -5,7 +5,11 @@
 from datetime import timedelta
 from hashlib import sha1
 import traceback
-from StringIO import StringIO
+import sys
+if sys.version_info[0] < 3:
+    from StringIO import StringIO
+else:
+    from io import StringIO
 import logging

 try:

When starting Django, startup now fails with ModuleNotFoundError: No module named 'models' instead. The reason seems to be that in Python 3 the import behaviour for local modules has changed (see PEP 0328).

This patch for admin.py fixes the issue while keeping support for Python2 >=2.5:

--- admin.py    2019-06-27 13:22:49.715516000 +0000
+++ admin.py_   2019-06-27 13:29:52.350516000 +0000
@@ -1,6 +1,7 @@
+from __future__ import absolute_import
 from django.contrib import admin

-from models import Task
+from .models import Task

 class TaskAdmin(admin.ModelAdmin):
     display_filter = ['task_name']

The full error printed is this:

    Exception in thread django-main-thread:
    Traceback (most recent call last):
      File "/usr/local/lib/python3.7/threading.py", line 917, in _bootstrap_inner
        self.run()
      File "/usr/local/lib/python3.7/threading.py", line 865, in run
        self._target(*self._args, **self._kwargs)
      File "/usr/local/lib/python3.7/site-packages/django/utils/autoreload.py", line 54, in wrapper
        fn(*args, **kwargs)
      File "/usr/local/lib/python3.7/site-packages/django/core/management/commands/runserver.py", line 109, in inner_run
        autoreload.raise_last_exception()
      File "/usr/local/lib/python3.7/site-packages/django/utils/autoreload.py", line 77, in raise_last_exception
        raise _exception[1]
      File "/usr/local/lib/python3.7/site-packages/django/core/management/__init__.py", line 337, in execute
        autoreload.check_errors(django.setup)()
      File "/usr/local/lib/python3.7/site-packages/django/utils/autoreload.py", line 54, in wrapper
        fn(*args, **kwargs)
      File "/usr/local/lib/python3.7/site-packages/django/__init__.py", line 24, in setup
        apps.populate(settings.INSTALLED_APPS)
      File "/usr/local/lib/python3.7/site-packages/django/apps/registry.py", line 122, in populate
        app_config.ready()
      File "/usr/local/lib/python3.7/site-packages/django/contrib/admin/apps.py", line 24, in ready
        self.module.autodiscover()
      File "/usr/local/lib/python3.7/site-packages/django/contrib/admin/__init__.py", line 26, in autodiscover
        autodiscover_modules('admin', register_to=site)
      File "/usr/local/lib/python3.7/site-packages/django/utils/module_loading.py", line 47, in autodiscover_modules
        import_module('%s.%s' % (app_config.name, module_to_search))
      File "/usr/local/lib/python3.7/importlib/__init__.py", line 127, in import_module
        return _bootstrap._gcd_import(name[level:], package, level)
      File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
      File "<frozen importlib._bootstrap>", line 983, in _find_and_load
      File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 728, in exec_module
      File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
      File "/usr/local/lib/python3.7/site-packages/background_task/admin.py", line 3, in <module>
        from models import Task
    ModuleNotFoundError: No module named 'models'

[Ashjoker24]

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