File 0001-Implement-math.comb-fallback-for-Python-3.... of Package FreeCAD

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File 0001-Implement-math.comb-fallback-for-Python-3.6.patch of Package FreeCAD (Revision 51b891afd38fecbaffae4204cd582cf6)

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From 2e6041b656fbd3db87109ea0c116e568c7c984e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Br=C3=BCns?= <stefan.bruens@rwth-aachen.de>
Date: Thu, 10 Aug 2023 15:48:55 +0200
Subject: [PATCH] Implement math.comb fallback for Python 3.6

---
 src/Mod/PartDesign/fcgear/involute.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Mod/PartDesign/fcgear/involute.py b/src/Mod/PartDesign/fcgear/involute.py
index 15df79f..307ff6b 100644
--- a/src/Mod/PartDesign/fcgear/involute.py
+++ b/src/Mod/PartDesign/fcgear/involute.py
@@ -24,7 +24,13 @@
 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 
 from math import cos, sin, tan, pi, acos, asin, atan, sqrt, radians
-from math import comb as binom
+try:
+    from math import comb as binom
+except ImportError:
+    from math import factorial
+    def binom(n, k):
+        return 0 if k > n else \
+            factorial(n) / (factorial(k) * factorial(n - k))
 
 
 def CreateExternalGear(w, m, Z, phi,
-- 
2.41.0

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File 0001-Implement-math.comb-fallback-for-Python-3.6.patch of Package FreeCAD (Revision 51b891afd38fecbaffae4204cd582cf6)

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