python: more error handling fixes

[notmuch] / bindings / python / notmuch / tag.py

diff --git a/bindings/python/notmuch/tag.py b/bindings/python/notmuch/tag.py
index d2dc498ca589b9622ba31c7c7c7dd372653660bb..d0f7bb402f2c4ddaa2dda4533fd07ba2428bf5fb 100644 (file)
--- a/bindings/python/notmuch/tag.py
+++ b/bindings/python/notmuch/tag.py
@@ -90,7 +90,7 @@ class Tags(Python3StringMixIn):
     _move_to_next.restype = None
 
     def __next__(self):
-        if self._tags is None:
+        if not self._tags:
             raise NotmuchError(STATUS.NOT_INITIALIZED)
         if not self._valid(self._tags):
             self._tags = None