[pygobject: 4/23] dsextras.py: PEP8: Comparisons to singletons like None should always be done with 'is' or 'is not',

[John Stowers <jstowers src gnome org>]

commit a565558652ebc3fa49d7aea40d399b06bbe376c4
Author: Dieter Verfaillie <dieterv optionexplicit be>
Date:   Wed Nov 3 06:45:05 2010 +0100

    dsextras.py: PEP8: Comparisons to singletons like None should always be done with 'is' or 'is not', never the equality operators.
    
    Signed-off-by: Dieter Verfaillie <dieterv optionexplicit be>

 dsextras.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/dsextras.py b/dsextras.py
index abac18d..cf20289 100644
--- a/dsextras.py
+++ b/dsextras.py
@@ -180,7 +180,7 @@ class BuildExt(build_ext):
             save_libs = ext.libraries
         # Invoke base build_extension()
         build_ext.build_extension(self, ext)
-        if save_libs != None and save_libs != ext.libraries:
+        if save_libs is not None and save_libs != ext.libraries:
             ext.libraries = save_libs
 
 class InstallLib(install_lib):
@@ -312,7 +312,7 @@ class PkgConfigExtension(Extension):
 
     def can_build(self):
         """If the pkg-config version found is good enough"""
-        if self.can_build_ok != None:
+        if self.can_build_ok is not None:
             return self.can_build_ok
 
         if type(self.pkc_name) != tuple: