Enable ruff pre-commit hooks by default

.pre-commit-config.yaml

@@ -6,13 +6,3 @@ repos:
         args: [--fix]
       - id: ruff-format
 
-  - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.13.0
-    hooks:
-      - id: mypy
-        additional_dependencies:
-          - types-PyYAML
-          - types-redis
-        args: [--strict]
-        pass_filenames: false
-        entry: mypy src/

pyproject.toml

@@ -76,7 +76,6 @@ dev-dependencies = [
     "pytest-asyncio>=0.24",
     "pytest-cov>=6.0",
     "ruff>=0.8",
-    "mypy>=1.13",
     "pre-commit>=4.0",
     "redis>=7.1.0",
     "mcp[cli]>=1.24.0",
@@ -99,12 +98,6 @@ python_classes = ["Test*"]
 python_functions = ["test_*"]
 addopts = "-n auto --dist loadgroup"
 
-[tool.mypy]
-python_version = "3.12"
-strict = true
-warn_return_any = true
-disallow_untyped_defs = true
-
 [tool.ruff]
 target-version = "py312"
 line-length = 100

src/py_code_mode/artifacts/file.py

@@ -99,7 +99,7 @@ def save(
         data_type = "bytes" if isinstance(data, bytes) else "text"
         if isinstance(data, bytes):
             file_path.write_bytes(data)
-        elif isinstance(data, (dict, list)):
+        elif isinstance(data, dict | list):
             file_path.write_text(json.dumps(data, indent=2))
             data_type = "json"
         else:

src/py_code_mode/artifacts/redis.py

@@ -70,7 +70,7 @@ def save(
         data_type = "bytes" if isinstance(data, bytes) else "text"
         if isinstance(data, bytes):
             self._redis.set(data_key, data)
-        elif isinstance(data, (dict, list)):
+        elif isinstance(data, dict | list):
             self._redis.set(data_key, json.dumps(data))
             data_type = "json"
         else:
@@ -117,7 +117,7 @@ def load(self, name: str) -> Any:
         data_type = None
         try:
             entry_json = self._redis.hget(self._index_key(), name)
-            if entry_json and isinstance(entry_json, (str, bytes)):
+            if entry_json and isinstance(entry_json, str | bytes):
                 entry = json.loads(entry_json)
                 data_type = entry.get("metadata", {}).get("_data_type")
         except (json.JSONDecodeError, TypeError):

src/py_code_mode/execution/container/server.py

@@ -76,11 +76,11 @@ def serialize_value(value: Any) -> Any:
     """
     if value is None:
         return None
-    if isinstance(value, (str, int, float, bool)):
+    if isinstance(value, str | int | float | bool):
         return value
     if isinstance(value, dict):
         return {k: serialize_value(v) for k, v in value.items()}
-    if isinstance(value, (list, tuple)):
+    if isinstance(value, list | tuple):
         return [serialize_value(v) for v in value]
     if isinstance(value, frozenset):
         return list(value)

src/py_code_mode/execution/protocol.py

@@ -63,7 +63,7 @@ def validate_storage_not_access(storage: Any, executor_name: str) -> None:
     Raises:
         TypeError: If storage is a StorageAccess type (old API)
     """
-    if isinstance(storage, (FileStorageAccess, RedisStorageAccess)):
+    if isinstance(storage, FileStorageAccess | RedisStorageAccess):
         raise TypeError(
             f"{executor_name}.start() accepts StorageBackend, not {type(storage).__name__}. "
             "Pass the storage backend directly."