Hotfix for: No module named 'shapely'

scripts/addons/cam/simple.py

@@ -19,6 +19,9 @@
 #
 # ***** END GPL LICENCE BLOCK *****
 
+# Solves: No module named 'shapely' (even if it is installed)
+help('modules')
+
 import math
 import sys
 import os