#26686: django.core.checks.model_checks _check_lazy_references raises TypeError with NoneType model_key -------------------------------------+------------------------------------- Reporter: bretth | Owner: nobody Type: Bug | Status: new Component: Core (System | Version: 1.10 checks) | Severity: Normal | Resolution: Keywords: | Triage Stage: | Unreviewed Has patch: 0 | Needs documentation: 0 Needs tests: 0 | Patch needs improvement: 0 Easy pickings: 0 | UI/UX: 0 -------------------------------------+-------------------------------------
Comment (by bretth): Attached my throwaway project. model-utils isn't in installed apps (it doesn't need to be) pip install django-model-utils (and django 1.10a). ./manage.py makemigrations demoapp {{{ Traceback (most recent call last): File "./manage.py", line 22, in <module> execute_from_command_line(sys.argv) File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/management/__init__.py", line 367, in execute_from_command_line utility.execute() File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/management/__init__.py", line 359, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/management/base.py", line 305, in run_from_argv self.execute(*args, **cmd_options) File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/management/base.py", line 353, in execute self.check() File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/management/base.py", line 385, in check include_deployment_checks=include_deployment_checks, File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/management/base.py", line 372, in _run_checks return checks.run_checks(**kwargs) File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/checks/registry.py", line 81, in run_checks new_errors = check(app_configs=app_configs) File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/checks/model_checks.py", line 156, in check_lazy_references return _check_lazy_references(apps) File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/checks/model_checks.py", line 151, in _check_lazy_references )), key=lambda error: error.msg) File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/checks/model_checks.py", line 150, in <genexpr> for func in apps._pending_operations[model_key] File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/checks/model_checks.py", line 145, in build_error return error_fn(model_key, func, args, keywords) if error_fn else None File "/Users/bretth/projects/_virtualenvs/django-typeerror/lib/python3.5 /site-packages/django/core/checks/model_checks.py", line 117, in signal_connect_error 'model': '.'.join(model_key or ''), TypeError: sequence item 0: expected str instance, NoneType found }}} -- Ticket URL: <https://code.djangoproject.com/ticket/26686#comment:2> Django <https://code.djangoproject.com/> The Web framework for perfectionists with deadlines. -- You received this message because you are subscribed to the Google Groups "Django updates" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-updates+unsubscr...@googlegroups.com. To post to this group, send email to django-updates@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-updates/064.9b9b8ec907227edc7d095885785d942a%40djangoproject.com. For more options, visit https://groups.google.com/d/optout.