feat: add mypy, update tooling

.github/workflows/pytest.yml

@@ -1,12 +1,12 @@
-name: Formatting and Tests
+name: Linting and Tests
 
 on:
   - pull_request
 
 jobs:
   test:
     runs-on: ubuntu-latest
-    name: Pytest and Black formatting
+    name: Linting and Tests
 
     strategy:
       max-parallel: 4
@@ -28,13 +28,16 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install poetry
-          poetry install
+          poetry install --with dev
 
       - name: Check Formatting
         run: |
           poetry run black --check .
           poetry run flake8 .
           poetry run isort --check .
 
+      - name: Check Typing
+        run: poetry run mypy --strict .
+
       - name: Run Tests
         run: poetry run pytest

.pre-commit-config.yaml

@@ -1,17 +1,24 @@
 repos:
-  - repo: https://github.com/asottile/seed-isort-config
-    rev: v1.9.3
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.5.1
     hooks:
-      - id: seed-isort-config
-  - repo: https://github.com/pre-commit/mirrors-isort
-    rev: v4.3.21
+      - id: mypy
+        args: [--strict]
+        additional_dependencies: [pydantic, pytest, pytest_mock]
+  - repo: https://github.com/PyCQA/isort
+    rev: 5.12.0
     hooks:
       - id: isort
   - repo: https://github.com/psf/black
-    rev: stable
+    rev: 23.7.0
     hooks:
       - id: black
         language_version: python3
+  - repo: https://github.com/pycqa/flake8
+    rev: 6.1.0
+    hooks:
+      - id: flake8
+        name: flake8
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.4.0
     hooks: