Update admin_routes.py

admin_routes.py

@@ -260,9 +260,10 @@ async def _spark_project_control(action: str, project_name: str, username: str):
     try:
         async with httpx.AsyncClient(timeout=30) as client:
             if action == "delete":
+                # DELETE request için content parametresi kullan
                 response = await client.delete(
                     f"{spark_endpoint}/project/delete",
-                    json={"project_name": project_name},
+                    content=json.dumps({"project_name": project_name}),
                     headers=headers
                 )
             else: