further hack so no input is also None

Author: Cheukting

_projects/none.md _projects/_none.md_projects/none.md renamed to _projects/_none.md

@@ -1,5 +1,5 @@
 ---
-obj_id: None
+obj_id: _none
 name: "None"
 logo: static/images/site_logo/python_sprints_logo_triangles_flat_light_text_502x100px.png
 website: https://python-sprints.github.io