From 9d4d57dbfa485d4f51ea4a4027df3c9b28fd6fba Mon Sep 17 00:00:00 2001
From: Xiaoyu Zhang <35585791+BBuf@users.noreply.github.com>
Date: Fri, 9 Jan 2026 15:08:25 +0800
Subject: [PATCH] [Diffusion] Tiny rename parallel_groups (#16743)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
---
 .../runtime/distributed/{yunchang.py => parallel_groups.py}   | 0
 .../multimodal_gen/runtime/distributed/parallel_state.py      | 4 ++--
 2 files changed, 2 insertions(+), 2 deletions(-)
 rename python/sglang/multimodal_gen/runtime/distributed/{yunchang.py => parallel_groups.py} (100%)

diff --git a/python/sglang/multimodal_gen/runtime/distributed/yunchang.py b/python/sglang/multimodal_gen/runtime/distributed/parallel_groups.py
similarity index 100%
rename from python/sglang/multimodal_gen/runtime/distributed/yunchang.py
rename to python/sglang/multimodal_gen/runtime/distributed/parallel_groups.py
diff --git a/python/sglang/multimodal_gen/runtime/distributed/parallel_state.py b/python/sglang/multimodal_gen/runtime/distributed/parallel_state.py
index 72cb802d8..adbabaec9 100644
--- a/python/sglang/multimodal_gen/runtime/distributed/parallel_state.py
+++ b/python/sglang/multimodal_gen/runtime/distributed/parallel_state.py
@@ -405,8 +405,8 @@ def initialize_model_parallel(
     assert _SP is None, "sequence parallel group is already initialized"
 
     try:
-        from .yunchang import PROCESS_GROUP as _YC_PROCESS_GROUP
-        from .yunchang import (
+        from .parallel_groups import PROCESS_GROUP as _YC_PROCESS_GROUP
+        from .parallel_groups import (
             set_seq_parallel_pg_by_sp_groups as _set_seq_parallel_pg_by_sp_groups,
         )
     except ImportError: