Simplify URL_PREFIX handling in urls.py

URL_PREFIX shall not contain a fully qualified URL therefore there's no need to parse it.

Part of #558 (closed)

beat/web/urls.py

@@ -25,7 +25,6 @@
 #                                                                             #
 ###############################################################################
 
-from urllib.parse import urlparse
 
 from django.conf import settings
 from django.conf.urls import include
@@ -108,10 +107,9 @@ unprefixed_patterns += [
 
 
 # Process an eventual prefix in the URLs
-parsed_url = urlparse(settings.URL_PREFIX)
-if (parsed_url.path != "") and (parsed_url.path != "/"):
+if settings.URL_PREFIX not in ["", "/"]:
     urlpatterns = [
-        url(r"^%s/" % parsed_url.path[1:], include(unprefixed_patterns)),
+        url(r"^%s/" % settings.URL_PREFIX[1:], include(unprefixed_patterns)),
     ]
 else:
     urlpatterns = unprefixed_patterns