--- a/roundup/test/mocknull.py	Sat Jan 04 20:50:59 2025 -0500
+++ b/roundup/test/mocknull.py	Sat Jan 04 22:34:47 2025 -0500
@@ -5,6 +5,7 @@
             self.__dict__[key] = value
 
     def __call__(self, *args, **kwargs): return MockNull()
+
     def __getattr__(self, name):
         # This allows assignments which assume all intermediate steps are Null
         # objects if they don't exist yet.
@@ -16,16 +17,25 @@
         return getattr(self, name)
 
     def __getitem__(self, key): return self
+
     def __bool__(self): return False
     # Python 2 compatibility:
     __nonzero__ = __bool__
+
     def __contains__(self, key): return False
+
     def __eq__(self, rhs): return False
+
     def __ne__(self, rhs): return False
+
     def __str__(self): return ''
-    def __repr__(self): return '<MockNull 0x%x>'%id(self)
-    def gettext(self, str): return str
+
+    def __repr__(self): return '<MockNull 0x%x>' % id(self)
+
+    def gettext(self, string): return string
+
     _ = gettext
+
     def get(self, name, default=None):
         try:
             return self.__dict__[name.lower()]