python: fix error handling

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

diff --git a/bindings/python/notmuch/filename.py b/bindings/python/notmuch/filename.py
index a7cd7e63d44bf03076b5e21087e77ae425761a7a..f7313ec5ae856ccb008fe5ce16461e67e875faed 100644 (file)
--- a/bindings/python/notmuch/filename.py
+++ b/bindings/python/notmuch/filename.py
@@ -69,7 +69,7 @@ class Filenames(object):
              reference to it, so we can automatically delete the db object
              once all derived objects are dead.
         """
-        if files_p is None:
+        if not files_p:
             raise NotmuchError(STATUS.NULL_POINTER)
 
         self._files = files_p