Merge remote-tracking branch 'origin/release-v1.21.3' into matrix-org-hotfixes

1 files changed, 2 insertions, 0 deletions

diff --git a/setup.py b/setup.py

index 08843fe2a3..2f4a3170d2 100755
--- a/setup.py
+++ b/setup.py
@@ -102,6 +102,8 @@ CONDITIONAL_REQUIREMENTS["lint"] = [
     "flake8",
 ]
 
+CONDITIONAL_REQUIREMENTS["mypy"] = ["mypy==0.790", "mypy-zope==0.2.8"]
+
 # Dependencies which are exclusively required by unit test code. This is
 # NOT a list of all modules that are necessary to run the unit tests.
 # Tests assume that all optional dependencies are installed.