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Added Usage message to painter script

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This commit is contained in:
Andrew Murray 2015-10-10 14:25:08 +11:00
parent 3b121b4513
commit 7e5df09fa9
1 changed files with 4 additions and 0 deletions
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Scripts/painter.py
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@ -68,6 +68,10 @@ class PaintCanvas(Canvas):
root = Tk()
if len(sys.argv) != 2:
print("Usage: painter file")
sys.exit(1)
im = Image.open(sys.argv[1])
if im.mode != "RGB":