Fix syntax error EOL in get_document_by_id

@@ -52,7 +52,7 @@ def get_document_by_id(data, doc_id):
                 return document
         for complaint in award.get('complaints', []):
             for document in complaint.get('documents', []):
-                if doc_id in document.get('title, ''):
+                if doc_id in document.get('title', ''):
                     return document
     raise Exception('Document with id {} not found'.format(doc_id))