1 files changed, 10 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini

index 09b4b8fc3c..f9a3b7e49a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -146,3 +146,13 @@ commands =
     coverage combine
     coverage xml
     codecov -X gcov
+
+[testenv:mypy]
+basepython = python3.5
+deps =
+    {[base]deps}
+    mypy
+extras = all
+commands = mypy --ignore-missing-imports \
+            synapse/logging/_structured.py \
+            synapse/logging/_terse_json.py
\ No newline at end of file