# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1656085997 -10800
# Node ID a42e0ca2277f1c5dfad6558e27ea65b6a22d54be
# Parent  c876f88725528c465bee131910448312f15afd8d
Use is/is not for comparing to None.

diff -r c876f8872552 -r a42e0ca2277f lxmldump.py
--- a/lxmldump.py	Fri Jun 24 18:19:03 2022 +0300
+++ b/lxmldump.py	Fri Jun 24 18:53:17 2022 +0300
@@ -270,11 +270,11 @@
 
 ## Get default value per mode
 def pkk_get_value(mid):
-    if mid in pkk_settings and pkk_settings[mid] != None:
+    if mid in pkk_settings and pkk_settings[mid] is not None:
         return pkk_settings[mid]
 
     mmode = pkk_test_value(mid)
-    if mmode == None:
+    if mmode is None:
         pkk_fatal(f"Internal error: No mode for ID '{mid}'.")
 
     return pkk_mode_defaults[mid][mmode]
@@ -448,7 +448,7 @@
 
         # Get hyphenation note, if any
         hnode = wnode.find("./Hyphenation")
-        if hnode != None:
+        if hnode is not None:
             hyphenation = pkk_get_fmt("hyphenation").format(
                 text=pkk_node_to_text(hnode),
                 indent=pkk_geti(indent + 1))