python: Fix the remaining broken NULL pointer tests

Signed-off-by: Justus Winter <4winter@informatik.uni-hamburg.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/bindings/python/notmuch/message.py b/bindings/python/notmuch/message.py
index bdbe501..d7f029f 100644
--- a/bindings/python/notmuch/message.py
+++ b/bindings/python/notmuch/message.py
@@ -229,7 +229,7 @@ class Message(Python3StringMixIn):
 
         #Returns NULL if any error occurs.
         header = Message._get_header(self._msg, _str(header))
-        if header == None:
+        if not header:
             raise NullPointerError()
         return header.decode('UTF-8', 'ignore')
 
@@ -300,7 +300,7 @@ class Message(Python3StringMixIn):
             raise NotInitializedError()
 
         tags_p = Message._get_tags(self._msg)
-        if tags_p == None:
+        if not tags_p:
             raise NullPointerError()
         return Tags(tags_p, self)