1 files changed, 2 insertions, 0 deletions
diff --git a/tox.ini b/tox.ini
index a9904e87..a1ed53f7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -36,6 +36,8 @@ commands =
     mitmproxy/tools/dump.py \
     mitmproxy/tools/web/ \
     mitmproxy/contentviews/
+  mypy --ignore-missing-imports \
+    mitmproxy/master.py
 
 [testenv:individual_coverage]
 deps =