Fix for Google Analytics unique ID issue #539.

bazarr/analytics.py

@@ -27,11 +27,13 @@ def track_event(category=None, action=None, label=None):
     tracker = Tracker('UA-138214134-3', 'none', conf=anonymousConfig)
 
     try:
-        visitor = pickle.loads(base64.b64decode(settings.analytics.visitor))
+        if settings.analytics.visitor:
+            visitor = pickle.loads(base64.b64decode(settings.analytics.visitor))
+        if visitor.unique_id > int(0x7fffffff):
+            visitor.unique_id = random.randint(0, 0x7fffffff)
     except:
         visitor = Visitor()
-        unique_id = long(random.getrandbits(32))
-        visitor.unique_id = unique_id
+        visitor.unique_id = long(random.randint(0, 0x7fffffff))
 
     session = Session()
     event = Event(category=category, action=action, label=label, value=1)