Remove blanket mypy exclusion from pre-commit config

.pre-commit-config.yaml

@@ -62,10 +62,8 @@ repos:
         entry: mypy
         language: python
         types: [python]
-        args: []
         require_serial: true
         additional_dependencies: ["types-typed-ast"]
-        exclude: tests/testdata| # exclude everything, we're not ready
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: v4.0.0-alpha.8
     hooks:

pyproject.toml

@@ -74,6 +74,7 @@ always_false = [
 ]
 disallow_any_decorated = true
 disallow_any_explicit = true
+follow_imports = "silent"
 scripts_are_modules = true
 show_error_codes = true
 strict = true