From 9207441713687a778ea97ffc4142fa5e303e52a5 Mon Sep 17 00:00:00 2001
From: Arnaud Giersch <arnaud.giersch@univ-fcomte.fr>
Date: Sat, 24 Oct 2020 21:24:10 +0200
Subject: [PATCH] Prefer is/is not None.

---
 docs/source/_ext/autodoxy.py | 4 ++--
 tools/stack-cleaner/as       | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/source/_ext/autodoxy.py b/docs/source/_ext/autodoxy.py
index 5811d2af70..e607ba9140 100644
--- a/docs/source/_ext/autodoxy.py
+++ b/docs/source/_ext/autodoxy.py
@@ -407,7 +407,7 @@ class DoxygenMethodDocumenter(DoxygenDocumenter):
 
         xpath_query_noparam = ('{:s}/memberdef[@kind="function"]/name[text()="{:s}"]/..').format(prefix, meth)
         xpath_query = ""
-        if self.argsstring != None:
+        if self.argsstring is not None:
             xpath_query = ('{:s}/memberdef[@kind="function" and argsstring/text()="{:s}"]/name[text()="{:s}"]/..').format(prefix,self.argsstring,meth)
         else:
             xpath_query = xpath_query_noparam
@@ -415,7 +415,7 @@ class DoxygenMethodDocumenter(DoxygenDocumenter):
         if not match:
             logger = logging.getLogger(__name__)
 
-            if self.argsstring != None:
+            if self.argsstring is not None:
                 candidates = get_doxygen_root().xpath(xpath_query_noparam)
                 if len(candidates) == 1:
                     logger.warning("[autodoxy] Using method '{}{}{}' instead of '{}{}{}'. You may want to drop your specification of the signature, or to fix it."
diff --git a/tools/stack-cleaner/as b/tools/stack-cleaner/as
index 148740142d..48224e53e1 100755
--- a/tools/stack-cleaner/as
+++ b/tools/stack-cleaner/as
@@ -30,7 +30,7 @@ while i < len(sys.argv):
     else:
         input_filename = sys.argv[i]
     i = i + 1
-if input_filename == None:
+if input_filename is None:
     sys.stderr.write("Missing input file\n")
     sys.exit(1)
 
-- 
2.20.1