python_modules/codegen.py: fix indent error in an unused function
python_modules/codegen.py: fix indent error in an unused function

fgouget/spice-protocol,vdiot/spice-protocol,fgouget/spice-protocol,SPICE/spice-protocol,vdiot/spice-protocol,fgouget/spice-protocol,vdiot/spice-protocol,SPICE/spice-protocol,SPICE/spice-protocol