Fixed string to float casting.

filterminutes.py

@@ -33,7 +33,7 @@ def filter_docs_by_meta(docs, filter_dict):
     for doc in docs:
         append = True
         for key, value in filter_dict.items():
-            if doc.metadata[key] != value:
+            if doc.metadata[key] != int(value):
                 append = False
                 break
         if append: