Investigating strange error

cdplib/db_handlers/MongodbHandler.py

@@ -290,8 +290,8 @@ class MongodbHandler:
             return None
 
         print(data[0])
-        print(len(list(data)))
-        if len(list(data)) != 0:
+        print(len(data[0]))
+        if len(len(data[0])) != 0:
             if return_as_dataframe:
                 return self.convert_mongo_data_into_dataframe(data, index, collection_name)
             else: