TypeError: __init__() missing 1 required positional argument: 'on_delete'

[t04st3r]

I have this error after pip install when I try to apply migrations

pip install django-tracking-analyzer

python manage.py migrate tracking_analyzer

Traceback (most recent call last): File "manage.py", line 15, in <module> execute_from_command_line(sys.argv) File "/home/raffaele/PycharmProjects/my_website/venv/lib/python3.6/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line utility.execute() File "/home/raffaele/PycharmProjects/my_website/venv/lib/python3.6/site-packages/django/core/management/__init__.py", line 357, in execute django.setup() File "/home/raffaele/PycharmProjects/my_website/venv/lib/python3.6/site-packages/django/__init__.py", line 24, in setup apps.populate(settings.INSTALLED_APPS) File "/home/raffaele/PycharmProjects/my_website/venv/lib/python3.6/site-packages/django/apps/registry.py", line 112, in populate app_config.import_models() File "/home/raffaele/PycharmProjects/my_website/venv/lib/python3.6/site-packages/django/apps/config.py", line 198, in import_models self.models_module = import_module(models_module_name) File "/usr/lib/python3.6/importlib/__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 994, in _gcd_import File "<frozen importlib._bootstrap>", line 971, in _find_and_load File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 665, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 678, in exec_module File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed File "/home/raffaele/PycharmProjects/my_website/venv/lib/python3.6/site-packages/tracking_analyzer/models.py", line 15, in <module> class Tracker(models.Model): File "/home/raffaele/PycharmProjects/my_website/venv/lib/python3.6/site-packages/tracking_analyzer/models.py", line 33, in Tracker content_type = models.ForeignKey(ContentType) TypeError: __init__() missing 1 required positional argument: 'on_delete'

I believe it is related to the fact that since Django 2.x, on_delete is required on ForeignKey()
Docs

[t04st3r]

Sorry already fixed on cd0cbc5c9e81bb7baf8f4b75abf4af00330ddf96