Welcome aboard miket
try this-
Goto the options.py where you were looking.
Find this part (very near the top of the page)
##################################### UI Stuff (SH3/4/5 modes) ##################################
#+++++++++++++ UI Style ++++++++++++++
# Possible UI Styles:
SH5Enhanced = 0
SH3Style = 1
SH4Style = 2
# the current UI Style
# set below to either SH3Style, SH4Style, or SH5Enhanced
UIStyle = SH5Enhanced
and change to this:-
UIStyle = SH3Style