added csv-code executor

controller.py

@@ -240,7 +240,7 @@ async def code_execution_csv(
     authorization: Optional[str] = Header(None)
 ):
     # Token validation
-    expected_token = os.environ.get("CSV_AUTH_TOKEN")
+    expected_token = os.environ.get("AUTH_TOKEN")
     if not authorization or not expected_token or authorization.replace("Bearer ", "") != expected_token:
         raise HTTPException(status_code=401, detail="Unauthorized")