chore: update

api_service.py

@@ -2,12 +2,14 @@
 Lightweight Python API service for signature validation
 This can run independently to support the PHP application
 """
-from fastapi import FastAPI, Query
-from fastapi.responses import JSONResponse
-from fastapi.middleware.cors import CORSMiddleware
-from bibapi import catalogue
-import re
+
 import os
+import re
+
+from bibapi import catalogue
+from fastapi import FastAPI, Query
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import JSONResponse
 
 app = FastAPI(title="Signature Validation API")
 
@@ -23,6 +25,7 @@ app.add_middleware(
 # Initialize catalogue for signature validation
 cat = catalogue.Catalogue()
 
+
 @app.get("/api/validate-signature")
 async def validate_signature(signature: str = Query(...)):
     """Validate a book signature and return total pages"""
@@ -53,15 +56,18 @@ async def validate_signature(signature: str = Query(...)):
                 "error": f"Fehler bei der Validierung: {str(e)}",
                 "signature": signature,
             },
-            status_code=500
+            status_code=500,
         )
 
+
 @app.get("/health")
 async def health_check():
     """Health check endpoint"""
     return {"status": "ok", "service": "signature-validation"}
 
+
 if __name__ == "__main__":
     import uvicorn
+
     port = int(os.getenv("API_PORT", "8001"))
     uvicorn.run(app, host="0.0.0.0", port=port)