don't save IMDB ID if it is empty

Author: rmrector

python/lib/tmdbscraper/tmdb.py

@@ -136,7 +136,7 @@ def _assemble_details(self, movie, movie_fallback, collection, collection_fallba
             info['duration'] = movie['runtime'] * 60
 
         ratings = {'themoviedb': {'rating': float(movie['vote_average']), 'votes': int(movie['vote_count'])}}
-        uniqueids = {'tmdb': str(movie['id']), 'imdb': movie['imdb_id']}
+        uniqueids = _parse_uniqueids(movie)
         cast = [{
                 'name': actor['name'],
                 'role': actor['character'],
@@ -164,6 +164,12 @@ def _parse_media_id(title):
         return {'type': 'imdb', 'id':title[5:]}
     return None
 
+def _parse_uniqueids(movie):
+    uniqueids = {'tmdb': str(movie['id'])}
+    if movie.get('imdb_id'):
+        uniqueids['imdb'] = movie['imdb_id']
+    return uniqueids
+
 def _get_movie(mid, language=None, search=False):
     details = None if search else \
         'trailers,images,releases,casts,keywords' if language is not None else \