Fixed keeping a lock unneededly while scanning is complete
Fixed keeping a lock unneededly while scanning is complete

This change little effect on the application itself, as the
lock.aquire() was never touched again when the detection already took
place. Since Django initializes the application first, this locking
wasn't really needed anymore for web-based applications.

django-fluent/django-fluent-contents,django-fluent/django-fluent-contents,edoburu/django-fluent-contents,edoburu/django-fluent-contents,django-fluent/django-fluent-contents,edoburu/django-fluent-contents