Merge pull request yokawasa#22 from snobu/patch-1

Fix added import sys for sys.exit

Author: Yoichi Kawasaki

v2functions/blob-trigger-watermark-blob-out-binding/__init__.py

@@ -1,6 +1,7 @@
 import logging
 import azure.functions as func
 import io
+import sys
 from PIL import Image
 
 # Final image composite size