Fixed AttributeError list_entry_points for subtitles

changelog.md

 # Changelog
 
-- * 805af80 - 2018-09-13: Release v9.3.77 
+- * c893afb - 2018-09-14: Fixed AttributeError list_entry_points for subtitles 
+- * d6195df - 2018-09-13: Release v9.3.77 
 - * 23d3379 - 2018-09-09: Release v9.3.76 
 - * 28282ed - 2018-09-09: Added support for multi-login based on user-defined allowed user list 
 - * 80a1cf8 - 2018-09-09: Release v9.3.75 

sickrage/subtitles/__init__.py

@@ -37,7 +37,7 @@ for provider in ['itasa = sickrage.subtitles.providers.itasa:ItaSAProvider',
  'wizdom = sickrage.subtitles.providers.wizdom:WizdomProvider',
  'subscene = sickrage.subtitles.providers.subscene:SubsceneProvider',
  'napiprojekt = subliminal.providers.napiprojekt:NapiProjektProvider']:
- if provider not in [str(x) for x in subliminal.provider_manager.list_entry_points()]:
+ if provider not in subliminal.provider_manager.registered_extensions + subliminal.provider_manager.internal_extensions:
  subliminal.provider_manager.register(str(provider))
 
 subliminal.region.configure('dogpile.cache.memory')