contrib/byteify-strings.py

--- a/contrib/byteify-strings.py	Mon Nov 04 12:20:11 2019 -0500
+++ b/contrib/byteify-strings.py	Mon Nov 04 19:19:36 2019 +0000
@@ -339,7 +339,7 @@
 
 
 if __name__ == '__main__':
-    if sys.version_info[0:2] < (3, 6):
-        print('This script must be run under Python 3.6+')
+    if sys.version_info[0:2] < (3, 7):
+        print('This script must be run under Python 3.7+')
         sys.exit(3)
     main()