id summary reporter owner description type status component version severity resolution keywords cc stage has_patch needs_docs needs_tests needs_better_patch easy ui_ux 30352 Error al ejecutar python manage.py sin sealizar cambios irv-ro-j nobody "El error se puede generar presionando ""Ctrl + S"" para recargar Django y no es necesario realizar algún cambio en el código para obtener el error que parece ser aleatorio. Por lo pronto lo solucioné regresando a Django 2.1.4 Algunas veces funciona bien e informa lo siguiente: {{{ System check identified no issues (0 silenced). April 11, 2019 - 19:29:25 Django version 2.1.4, using settings 'base.settings' Starting development server at http://127.0.0.1:8000/ Quit the server with CONTROL-C. }}} En ocasiones pasa lo siguiente y es muy repetitivo: {{{ /home/irvin/Documentos/Proyectos/REST-env/base/snippets/views.py changed, reloading. Watching for file changes with StatReloader Performing system checks... Exception in thread Thread-1: Traceback (most recent call last): File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/template/utils.py"", line 66, in __getitem__ return self._engines[alias] KeyError: 'django' During handling of the above exception, another exception occurred: Traceback (most recent call last): File ""/usr/lib/python3.6/threading.py"", line 916, in _bootstrap_inner self.run() File ""/usr/lib/python3.6/threading.py"", line 864, in run self._target(*self._args, **self._kwargs) File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/utils/autoreload.py"", line 54, in wrapper fn(*args, **kwargs) File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/core/management/commands/runserver.py"", line 117, in inner_run self.check(display_num_errors=True) File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/core/management/base.py"", line 390, in check include_deployment_checks=include_deployment_checks, File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/core/management/base.py"", line 377, in _run_checks return checks.run_checks(**kwargs) File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/core/checks/registry.py"", line 72, in run_checks new_errors = check(app_configs=app_configs) File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/contrib/admin/checks.py"", line 80, in check_dependencies for engine in engines.all(): File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/template/utils.py"", line 90, in all return [self[alias] for alias in self] File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/template/utils.py"", line 90, in return [self[alias] for alias in self] File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/template/utils.py"", line 81, in __getitem__ engine = engine_cls(params) File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/template/backends/django.py"", line 25, in __init__ options['libraries'] = self.get_templatetag_libraries(libraries) File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/template/backends/django.py"", line 43, in get_templatetag_libraries libraries = get_installed_libraries() File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/template/backends/django.py"", line 108, in get_installed_libraries for name in get_package_libraries(pkg): File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/template/backends/django.py"", line 121, in get_package_libraries module = import_module(entry[1]) File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/importlib/__init__.py"", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File """", line 994, in _gcd_import File """", line 971, in _find_and_load File """", line 955, in _find_and_load_unlocked File """", line 665, in _load_unlocked File """", line 678, in exec_module File """", line 219, in _call_with_frames_removed File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/rest_framework/templatetags/rest_framework.py"", line 15, in from rest_framework.renderers import HTMLFormRenderer File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/rest_framework/renderers.py"", line 20, in from django.test.client import encode_multipart File ""/home/irvin/Documentos/Proyectos/REST-env/lib/python3.6/site-packages/django/test/client.py"", line 23, in from django.test import signals File """", line 968, in _find_and_load File """", line 149, in __enter__ File """", line 94, in acquire _frozen_importlib._DeadlockError: deadlock detected by _ModuleLock('django.test.signals') at 140476939476608 }}} SO Ubuntu 18 Componentes instalados: Python 3.6.7 Django 2.2 django-crispy-forms 1.7.2 django-environ 0.4.5 django-filter 2.1.0 django-smart-selects 1.5.4 django-tables2 2.0.6 django-widget-tweaks 1.4.3 djangorestframework 3.9.2 Markdown 3.1 numpy 1.16.2 pip 19.0.3 pkg-resources 0.0.0 psycopg2-binary 2.8.1 Pygments 2.3.1 pytz 2019.1 setuptools 41.0.0 sqlparse 0.3.0 table 0.0.4 wheel 0.33.1 " Cleanup/optimization closed Core (System checks) 2.2 Normal needsinfo Reload Django Scott Talbert Alexandru Chirila Akos Ladanyi Will Hawkins Unreviewed 0 0 0 0 0 0