Replaced top environment line of files with env
diff --git a/common/treeviewchoice.py b/common/treeviewchoice.py
index dba0f26..7db3620 100755
--- a/common/treeviewchoice.py
+++ b/common/treeviewchoice.py
@@ -1,4 +1,4 @@
-#!/ef/efabless/opengalaxy/venv/bin/python3
+#!/usr/bin/env python3
 #
 # Simple ttk treeview with scrollbar and select button