diff -r 6fbf1159a85a -r 35e69407b1ac contrib/check-py3-compat.py
--- a/contrib/check-py3-compat.py	Sat Dec 12 13:23:29 2015 -0500
+++ b/contrib/check-py3-compat.py	Sat Dec 12 13:27:31 2015 -0500
@@ -17,6 +17,10 @@
     with open(f, 'rb') as fh:
         content = fh.read()
 
+    # Ignore empty files.
+    if not content.strip():
+        return
+
     root = ast.parse(content)
     futures = set()
     haveprint = False