pin mypy

Author: vchudnov-g

gapic/templates/noxfile.py.j2

@@ -82,7 +82,8 @@ nox.options.error_on_missing_interpreters = True
 def mypy(session):
     """Run the type checker."""
     session.install(
-        "mypy",
+        # TODO(https://github.com/googleapis/gapic-generator-python/issues/2410): Use the latest version of mypy
+        "mypy<1.16.0",
         "types-requests",
         "types-protobuf",
     )

noxfile.py

@@ -589,7 +589,8 @@ def showcase_mypy(
     """Perform typecheck analysis on the generated Showcase library."""
 
     session.install(
-        "mypy",
+        # TODO(https://github.com/googleapis/gapic-generator-python/issues/2410): Use the latest version of mypy
+        "mypy<1.16.0",
         "types-setuptools",
         "types-protobuf",
         "types-requests",