fix(worker): allow empty test suite to pass in pre-push hook

- Add pytest-custom-exit-code plugin to suppress exit code 5 when no tests collected
- Fix ruff lint errors (import sorting, AsyncIterator import path)

Author: gracefullight

apps/worker/pyproject.toml

@@ -20,6 +20,7 @@ dev = [
     "mypy>=1.14.0",
     "pytest>=8.3.0",
     "pytest-asyncio>=0.25.0",
+    "pytest-custom-exit-code>=0.3.0",
 ]
 
 [tool.uv]
@@ -32,7 +33,7 @@ lint = "ruff check ."
 format = "ruff format ."
 check = ["lint", "format"]
 "type-check" = "mypy src"
-test = "pytest tests/"
+test = "pytest tests/ --suppress-no-test-exit-code"
 
 [tool.pytest.ini_options]
 asyncio_mode = "auto"

apps/worker/src/lib/retry.py

@@ -1,8 +1,8 @@
 from tenacity import (
     retry,
+    retry_if_exception_type,
     stop_after_attempt,
     wait_exponential,
-    retry_if_exception_type,
 )
 
 

apps/worker/src/main.py

@@ -1,5 +1,5 @@
+from collections.abc import AsyncIterator
 from contextlib import asynccontextmanager
-from typing import AsyncIterator
 
 from fastapi import FastAPI