Pin mypy to v1.1.1 for CI

ksunden · ksunden · commit 0068ed95d324 · 2023-04-07T22:10:56.000-05:00
diff --git a/requirements/testing/mypy.txt b/requirements/testing/mypy.txt
@@ -1,6 +1,6 @@
 # Extra pip requirements for the GitHub Actions mypy build
 
-mypy
+mypy==1.1.1
 
 # Extra stubs distributed separately from the main pypi package
 pandas-stubs
