diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d9a5390764..794fe080cb 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -30,7 +30,6 @@ repos:
     rev: v0.942
     hooks:
       - id: mypy
-        exclude: examples/simple/setup.py
         additional_dependencies: [types-requests]
 
   - repo: https://github.com/pre-commit/mirrors-prettier
diff --git a/pyproject.toml b/pyproject.toml
index a1b718623a..bfe9474d94 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -141,9 +141,8 @@ strict_equality = true
 warn_unused_configs = true
 warn_unused_ignores = true
 warn_redundant_casts = true
-exclude = [
-    "examples/simple/setup.py",
-]
+explicit_package_bases = true
+namespace_packages = true
 
 
 [[tool.mypy.overrides]]