From 1103dc6204c023f512b333847dd44fa82aa90228 Mon Sep 17 00:00:00 2001
From: Kai-Hsun Chen <khchen@x.ai>
Date: Sun, 12 Oct 2025 05:34:04 -0700
Subject: [PATCH] [chore][2/N] Avoid using default mutable parameters (#11479)

Signed-off-by: Kai-Hsun Chen <khchen@x.ai>
---
 python/sglang/srt/models/minicpmo.py | 9 +++++++--
 python/sglang/test/test_utils.py     | 4 +++-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/python/sglang/srt/models/minicpmo.py b/python/sglang/srt/models/minicpmo.py
index 2ce575411..2f8271c6c 100644
--- a/python/sglang/srt/models/minicpmo.py
+++ b/python/sglang/srt/models/minicpmo.py
@@ -795,8 +795,10 @@ class ConditionalChatTTS(PreTrainedModel):
         force_no_stop=False,
         min_new_token=10,
         max_new_token=50,
-        logits_warpers: List[LogitsWarper] = [],
-        logits_processors: List[CustomRepetitionPenaltyLogitsProcessorRepeat] = [],
+        logits_warpers: Optional[List[LogitsWarper]] = None,
+        logits_processors: Optional[
+            List[CustomRepetitionPenaltyLogitsProcessorRepeat]
+        ] = None,
         show_tqdm=False,
     ):
         """Generate audio codes in streaming setting or non-streaming setting.
@@ -825,6 +827,9 @@ class ConditionalChatTTS(PreTrainedModel):
         assert input_ids.shape[0] == 1
         assert past_key_values is not None
 
+        logits_warpers = logits_warpers or []
+        logits_processors = logits_processors or []
+
         # fix: this should not be `input_ids.shape[1]`
         # start_idx = input_ids.shape[1]
         start_idx = (
diff --git a/python/sglang/test/test_utils.py b/python/sglang/test/test_utils.py
index c52cbdf83..f86d53642 100644
--- a/python/sglang/test/test_utils.py
+++ b/python/sglang/test/test_utils.py
@@ -503,7 +503,7 @@ def popen_launch_server(
     base_url: str,
     timeout: float,
     api_key: Optional[str] = None,
-    other_args: list[str] = [],
+    other_args: Optional[list[str]] = None,
     env: Optional[dict] = None,
     return_stdout_stderr: Optional[tuple] = None,
     device: str = "auto",
@@ -516,6 +516,8 @@ def popen_launch_server(
         device: Device type ("auto", "cuda", "rocm" or "cpu").
                 If "auto", will detect available platforms automatically.
     """
+    other_args = other_args or []
+
     # Auto-detect device if needed
     if device == "auto":
         device = auto_config_device()