TEST: some tests
Automatic style corrections courtesy of autopep8
DOC_STR: improve doc string
Automatic style corrections courtesy of autopep8
Merge branch 'NEW_fast_MAC' into NEW_eds_background_model
Automatic style corrections courtesy of autopep8
EHN: compound MAC

accept weight fraction as list
of float/Signal/list
Merge branch 'NEW_fast_MAC' into NEW_eds_background_model
EHN: compound MAC

accept weight fraction as list
of float/Signal/list
Merge branch 'NEW_fast_MAC' into NEW_eds_background_model