python: avoid equality check for None

PEP8 says that:
"Comparisons to singletons like None should always be done with is or
is not, never the equality operators."

glib uses a mix of "== None" and "is None". This patch changes all
cases to the latter.

1 files changed, 2 insertions, 2 deletions

diff --git a/glib/update-gtranslit.py b/glib/update-gtranslit.py
index 01f7c7f84..159876b6c 100755
--- a/glib/update-gtranslit.py
+++ b/glib/update-gtranslit.py
@@ -104,7 +104,7 @@ class Mapping:
         return [self]
 
     def serialise(self, serialiser):
-        if self.serialised == None:
+        if self.serialised is None:
             self.serialised = serialiser.add_mapping(self.mapping)
 
         return self.serialised
@@ -193,7 +193,7 @@ class Chain:
             return [self]
 
     def serialise(self, serialiser):
-        if self.serialised == None:
+        if self.serialised is None:
             # Before we serialise, see if we can optimise a bit
             self.chain = sum((item.get_flattened() for item in self.chain), [])