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 30921 _DeadlockError is raised when using StatReloader. Man Python nobody "There is many issues around this type error: **WindowsError: [Error 123] The filename, directory name, or volume label syntax is incorrect: ''** https://stackoverflow.com/questions/56166319/python-django-error-oserror-winerror-123-the-filename-directory-name-or-vol https://github.com/pytest-dev/pytest-django/issues/641 https://stackoverflow.com/questions/57108779/how-to-solve-oserror-winerror-123-the-filename-directory-name-or-volume-lab Most of issues don't have any solutions and are not solved and no any sense sugestions. What I discover.. This is happen when we often doing makemigrations and migrate with variable way as `makemigrations myapp` and `migrate` or `makemigrations myapp` and `migrate myapp` or `makemigrations ` and `migrate myapp` or `makemigrations ` and `migrate` The change db from sqlite to mysql and in diffrent way made this same bug. Some times `python -mpip install --force-reinstall -I django` solved error, in other situations not.. don't know why and what is relation in this, but reading sugestions 2 times this helped me, and in next progress of project not. The cmd `python manage.py runserver` doing this error, but e.q. this same cmd via Visual Studio Code not return this errors https://github.com/microsoft/ptvsd/issues/1866 Adding parameter `python manage.py runserver --nothreading` still this same error but `python manage.py runserver --noreload` ommiting error in case that working with this mode in dev is not comfy. Coz VSC has some bug in debug around static then must fighting with this all. Django made me sad :( " Bug closed Utilities 2.2 Normal duplicate makemigrations migrate WindowsError Unreviewed 0 0 0 0 0 0