#2503 make singletons compared with "is" not == or !=
Thanks to Wummel for the patch
diff --git a/Lib/bsddb/dbshelve.py b/Lib/bsddb/dbshelve.py
index f5f8b9a..96f604a 100644
--- a/Lib/bsddb/dbshelve.py
+++ b/Lib/bsddb/dbshelve.py
@@ -133,7 +133,7 @@
def keys(self, txn=None):
- if txn != None:
+ if txn is not None:
return self.db.keys(txn)
else:
return self.db.keys()
@@ -157,7 +157,7 @@
def items(self, txn=None):
- if txn != None:
+ if txn is not None:
items = self.db.items(txn)
else:
items = self.db.items()
@@ -168,7 +168,7 @@
return newitems
def values(self, txn=None):
- if txn != None:
+ if txn is not None:
values = self.db.values(txn)
else:
values = self.db.values()