[TupleVariation] Minor optimization in compileDeltaValues_()

2021-04-08 13:00:11 -06:00 · 2021-04-08 13:00:11 -06:00 · c88aab1544
commit c88aab1544
parent ea505154df
1 changed files with 2 additions and 1 deletions
--- a/Lib/fontTools/ttLib/tables/TupleVariation.py
+++ b/Lib/fontTools/ttLib/tables/TupleVariation.py
@ -342,7 +342,8 @@ class TupleVariation(object):
 		if bytearr is None:
 			bytearr = bytearray()
 		pos = 0
-		while pos < len(deltas):
+		numDeltas = len(deltas)
+		while pos < numDeltas:
 			value = deltas[pos]
 			if value == 0:
 				pos = TupleVariation.encodeDeltaRunAsZeroes_(deltas, pos, bytearr)