xcbgen: Use math.gcd() for Python >= 3.5.

fractions.gcd() has been deprecated since Python 3.5, and
was finally dropped in Python 3.9.  It is recommended to
use math.gcd() instead.

Signed-off-by: Björn Esser <besser82@fedoraproject.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/xcbgen/align.py b/xcbgen/align.py
index d4c12ee..5c4f517 100644
--- a/xcbgen/align.py
+++ b/xcbgen/align.py
@@ -2,7 +2,12 @@
 This module contains helper classes for alignment arithmetic and checks
 '''
 
-from fractions import gcd
+from sys import version_info
+
+if version_info[:2] >= (3, 5):
+    from math import gcd
+else:
+    from fractions import gcd
 
 class Alignment(object):