[Fix] Fix logprob and normalized_logprob (#1428)

python/sglang/srt/openai_api/adapter.py

@@ -22,7 +22,7 @@ import os
 import time
 import uuid
 from http import HTTPStatus
-from typing import Dict, List, Optional
+from typing import Dict, List
 
 from fastapi import HTTPException, Request, UploadFile
 from fastapi.responses import JSONResponse, StreamingResponse
@@ -472,7 +472,7 @@ def v1_generate_request(
     first_prompt_type = type(all_requests[0].prompt)
     for request in all_requests:
         assert (
-            type(request.prompt) == first_prompt_type
+            type(request.prompt) is first_prompt_type
         ), "All prompts must be of the same type in file input settings"
         if len(all_requests) > 1 and request.n > 1:
             raise ValueError(
@@ -887,7 +887,7 @@ def v1_chat_generate_request(
         input_ids.append(prompt_ids)
         return_logprobs.append(request.logprobs)
         logprob_start_lens.append(-1)
-        top_logprobs_nums.append(request.top_logprobs)
+        top_logprobs_nums.append(request.top_logprobs or 0)
 
         sampling_params = {
             "temperature": request.temperature,