Remove __pycache__ files before adding them to zip files

make-example-zips.sh

@@ -1,5 +1,8 @@
 #! /usr/bin/env bash
 
+# Remove un-needed files
+rm -rf ./**/__pycache__
+
 # Compress all the example directories in .zip files to be uploaded for a release
 mkdir ./dist
 for f in example-flask* ; do