diff --git a/makefile b/makefile
--- a/makefile
+++ b/makefile
@@ -102,3 +102,11 @@ effect_node_setup: create_virtualenv pac
 
 coffee:
 	zsh -c 'coffee -cw light9/web/{.,live,timeline}/*.coffee'
+
+env-mypy/bin/mypy:
+	mkdir -p env-mypy
+	virtualenv -p /usr/bin/python3  env-mypy/
+	env-mypy/bin/pip install mypy==0.501 lxml==3.7.3
+
+mypy-collector: env-mypy/bin/mypy
+	env-mypy/bin/mypy --py2 --ignore-missing-imports --strict-optional --custom-typeshed-dir stubs --html-report /tmp/rep bin/collector light9/collector/*.py