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-rw-r--r--Lib/fontTools/misc/arrayTools.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/fontTools/misc/arrayTools.py b/Lib/fontTools/misc/arrayTools.py
index c20a9eda..01ccbe82 100644
--- a/Lib/fontTools/misc/arrayTools.py
+++ b/Lib/fontTools/misc/arrayTools.py
@@ -17,7 +17,7 @@ def calcBounds(array):
Returns:
A four-item tuple representing the bounding rectangle ``(xMin, yMin, xMax, yMax)``.
"""
- if len(array) == 0:
+ if not array:
return 0, 0, 0, 0
xs = [x for x, y in array]
ys = [y for x, y in array]