Different studio fix

PlayUtils was erroring on empty list - this is a better fix than the
last i think

resources/lib/API.py

@@ -94,12 +94,10 @@ class API():
         if item.get("SeriesStudio") != None and item.get("SeriesStudio") != '':
             studios.append(item.get("SeriesStudio"))
         else:        
-            if(item.get("Studios") != [] and item.get("Studios") != None):
+            if(item.get("Studios") != []):
                 for studio_string in item.get("Studios"):
                     temp=studio_string.get("Name")
                     studios.append(temp)
-            else:
-                studios.append("")
         return studios
 
     def getMediaStreams(self, item, mediaSources=False):    

resources/lib/PlaybackUtils.py

@@ -144,7 +144,10 @@ class PlaybackUtils():
         
         # Process Studios
         studios = API().getStudios(result)
-        studio = studios[0]
+        if studios == []:
+            studio = ""
+        else:
+            studio = studios[0]
         listItem.setInfo('video', {'studio' : studio})    
 
         # play info