diff --git a/python/sglang/bench_serving.py b/python/sglang/bench_serving.py
index 47e8a20b2..5290d7a2a 100644
--- a/python/sglang/bench_serving.py
+++ b/python/sglang/bench_serving.py
@@ -1000,7 +1000,7 @@ async def benchmark(
 
     # Use the first request for all warmup iterations
     test_prompt, test_prompt_len, test_output_len = input_requests[0]
-    if lora_names != None and len(lora_names) != 0:
+    if lora_names is not None and len(lora_names) != 0:
         lora_name = lora_names[0]
     else:
         lora_name = None
@@ -1060,7 +1060,7 @@ async def benchmark(
     tasks: List[asyncio.Task] = []
     async for request in get_request(input_requests, request_rate):
         prompt, prompt_len, output_len = request
-        if lora_names != None and len(lora_names) != 0:
+        if lora_names is not None and len(lora_names) != 0:
             idx = random.randint(0, len(lora_names) - 1)
             lora_name = lora_names[idx]
         else:
diff --git a/python/sglang/srt/code_completion_parser.py b/python/sglang/srt/code_completion_parser.py
index 94a98b0fd..81cdb4a36 100644
--- a/python/sglang/srt/code_completion_parser.py
+++ b/python/sglang/srt/code_completion_parser.py
@@ -113,7 +113,7 @@ def completion_template_exists(template_name: str) -> bool:
 
 def is_completion_template_defined() -> bool:
     global completion_template_name
-    return completion_template_name != None
+    return completion_template_name is not None
 
 
 def generate_completion_prompt_from_request(request: ChatCompletionRequest) -> str: