drop Python 2.3 fallback

a-detiste · chimosky · commit 2800adfa356a · 2024-10-06T18:00:24.000+01:00
Use of python3-six is now redundant per https://wiki.debian.org/Python3-six-removal
diff --git a/src/sugar3/dispatch/dispatcher.py b/src/sugar3/dispatch/dispatcher.py
@@ -1,11 +1,6 @@
 import weakref
 import six
 
-try:
-    set
-except NameError:
-    from sets import Set as set  # Python 2.3 fallback
-
 from sugar3.dispatch import saferef
 
 WEAKREF_TYPES = (weakref.ReferenceType, saferef.BoundMethodWeakref)
