error: pythonmod: can't open file pfb_unbound.py for reading

[4o4rh]

I get the below message if i try to use python on
ver2.6.0.a.20210609.0100 is

Jun 9 23:38:21 	unbound 	74946 	[74946:0] fatal error: failed to setup modules
Jun 9 23:38:21 	unbound 	74946 	[74946:0] error: module init for module python failed
Jun 9 23:38:21 	unbound 	74946 	[74946:0] error: pythonmod: can't open file pfb_unbound.py for reading
Jun 9 23:38:21 	unbound 	74946 	[74946:0] notice: init module 0: python
Jun 9 23:38:02 	unbound 	76339 	[76339:0] fatal error: failed to setup modules
Jun 9 23:38:02 	unbound 	76339 	[76339:0] error: module init for module python failed
Jun 9 23:38:02 	unbound 	76339 	[76339:0] error: pythonmod: can't open file pfb_unbound.py for reading
Jun 9 23:38:02 	unbound 	76339 	[76339:0] notice: init module 0: python