upgrade

Makefile

@@ -1,5 +1,10 @@
 LOCAL_DOCTEST=/usr/local/bin/toxcore_run_doctest3.bash
 DOCTEST=${LOCAL_DOCTEST}
+MOD=stem_examples
+
+
+check::
+	sh python3.sh -c "import ${MOD}"
 
 lint::
 	sh .pylint.sh
@@ -7,6 +12,15 @@ lint::
 rsync::
 	bash .rsync.sh
 
+pyi::
+	echo FixMe
+
 doctest:
 	export PYTHONPATH=${PWD}
-	${DOCTEST} stem_examples.txt
+	${DOCTEST} ${MOD].txt
+
+veryclean:: clean
+	rm -rf build dist __pycache__ .pylint.err .pylint.out
+
+clean::
+	find . -name \*~ -delete