Add 'if __name__ == "__main__":' to files already as a usable as a module.
diff --git a/Demo/scripts/ftpstats.py b/Demo/scripts/ftpstats.py
index 13d0553..b37a58d 100755
--- a/Demo/scripts/ftpstats.py
+++ b/Demo/scripts/ftpstats.py
@@ -141,4 +141,5 @@
     else:
         dict[key] = [item]
 
-main()
+if __name__ == "__main__":
+    main()