style: clean up unused parameters and imports in examples

examples/07_redis_distributed.py

@@ -14,20 +14,20 @@ from __future__ import annotations
 
 import os
 from contextlib import asynccontextmanager
+from typing import Annotated
 
 from fastapi import Depends, FastAPI, Request
 from fastapi.responses import JSONResponse
-from typing import Annotated
 
 from fastapi_traffic import (
     Algorithm,
     MemoryBackend,
-    RateLimitExceeded,
     RateLimiter,
+    RateLimitExceeded,
     rate_limit,
 )
-from fastapi_traffic.core.limiter import set_limiter
 from fastapi_traffic.backends.redis import RedisBackend
+from fastapi_traffic.core.limiter import set_limiter
 
 
 async def create_redis_backend():
@@ -94,7 +94,7 @@ LimiterDep = Annotated[RateLimiter, Depends(get_limiter)]
 
 
 @app.exception_handler(RateLimitExceeded)
-async def rate_limit_handler(request: Request, exc: RateLimitExceeded) -> JSONResponse:
+async def rate_limit_handler(_: Request, exc: RateLimitExceeded) -> JSONResponse:
     return JSONResponse(
         status_code=429,
         content={
@@ -113,7 +113,7 @@ async def rate_limit_handler(request: Request, exc: RateLimitExceeded) -> JSONRe
     window_size=60,
     key_prefix="shared",
 )
-async def shared_limit(request: Request) -> dict[str, str]:
+async def shared_limit(_: Request) -> dict[str, str]:
     """This rate limit is shared across all application instances."""
     return {
         "message": "Success",
@@ -152,7 +152,7 @@ async def user_limit(request: Request) -> dict[str, str]:
     burst_size=20,
     key_prefix="burst",
 )
-async def burst_allowed(request: Request) -> dict[str, str]:
+async def burst_allowed(_: Request) -> dict[str, str]:
     """Token bucket with Redis allows controlled bursts across instances."""
     return {"message": "Burst request successful"}