Update main.py

main.py

@@ -75,7 +75,7 @@ async def __api_guard(request, call_next):
         if res == None:
             ok = await pipeline.set(client_ip_addr, 25).execute()
             r.expire(60)
-        else if res > 0:
+        elif res > 0:
             ok = await pipeline.set(client_ip_addr, res-1).execute()
         else:
             raise HTTPException(status_code=429, detail="This IP address is rate-limited")