remove most uses of list(somedict.keys()) in Demo scripts
diff --git a/Demo/cgi/cgi2.py b/Demo/cgi/cgi2.py
index 239fb6b..1d5822c 100755
--- a/Demo/cgi/cgi2.py
+++ b/Demo/cgi/cgi2.py
@@ -14,7 +14,7 @@
         print("<h1>No Form Keys</h1>")
     else:
         print("<h1>Form Keys</h1>")
-        for key in list(form.keys()):
+        for key in form.keys():
             value = form[key].value
             print("<p>", cgi.escape(key), ":", cgi.escape(value))