Enable mypy static type checking in pre-commit configuration and update mypy settings in pyproject.toml

.pre-commit-config.yaml

@@ -86,11 +86,11 @@ repos:
 
   # TODO(Steven): Uncomment when ready to use
   ##### Static Analysis & Typing #####
-  # - repo: https://github.com/pre-commit/mirrors-mypy
-  #   rev: v1.16.0
-  #   hooks:
-  #     - id: mypy
-  #       args: [--python-version=3.10]
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.16.0
+    hooks:
+      - id: mypy
+        args: [--python-version=3.10]
 
   ##### Docstring Checks #####
   # - repo: https://github.com/akaihola/darglint2

pyproject.toml

@@ -257,8 +257,8 @@ default.extend-ignore-identifiers-re = [
 # color = true
 # paths = ["src/lerobot"]
 
-# [tool.mypy]
-# python_version = "3.10"
-# warn_return_any = true
-# warn_unused_configs = true
-# ignore_missing_imports = false
+[tool.mypy]
+python_version = "3.10"
+warn_return_any = true
+warn_unused_configs = true
+ignore_missing_imports = false