-util_now := $(sort $(shell fgrep -v '"' geni/util/__init__.py 2>/dev/null))
-# what should be declared
-util_paths := $(filter-out %/__init__.py, $(wildcard geni/util/*.py))
-util_files := $(sort $(notdir $(util_paths:.py=)))
-ifneq ($(util_now), $(util_files))
-geni/util/__init__.py: force
+ifneq ($(methods_now),$(methods_files))
+sfa/methods/__init__.py: force