Merge pull request #1774 from sopel-irc/fix-db.get_uri

db: fix get_uri() to return the actual connection URI

sopel/db.py

@@ -188,7 +188,7 @@ def execute(self, *args, **kwargs):
 
     def get_uri(self):
         """Returns a URL for the database, usable to connect with SQLAlchemy."""
-        return 'sqlite:///{}'.format(self.filename)
+        return self.url
 
     # NICK FUNCTIONS