From 206accd15de341e10be68ae6139a3cdfb610eac3 Mon Sep 17 00:00:00 2001
From: Alison Shao <54658187+alisonshao@users.noreply.github.com>
Date: Mon, 16 Feb 2026 00:02:31 -0800
Subject: [PATCH] Fix GLM-4V processor registration when glm_ocr is unavailable
 (#18885)

---
 python/sglang/srt/multimodal/processors/glm4v.py | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/python/sglang/srt/multimodal/processors/glm4v.py b/python/sglang/srt/multimodal/processors/glm4v.py
index 0dce4e956..33cce6fe2 100644
--- a/python/sglang/srt/multimodal/processors/glm4v.py
+++ b/python/sglang/srt/multimodal/processors/glm4v.py
@@ -3,7 +3,6 @@ from typing import List, Union
 from sglang.srt.layers.rotary_embedding import MRotaryEmbedding
 from sglang.srt.models.glm4v import Glm4vForConditionalGeneration
 from sglang.srt.models.glm4v_moe import Glm4vMoeForConditionalGeneration
-from sglang.srt.models.glm_ocr import GlmOcrForConditionalGeneration
 from sglang.srt.multimodal.processors.base_processor import (
     BaseMultimodalProcessor as SGLangBaseProcessor,
 )
@@ -11,12 +10,21 @@ from sglang.srt.multimodal.processors.base_processor import (
     MultimodalSpecialTokens,
 )
 
+try:
+    from sglang.srt.models.glm_ocr import GlmOcrForConditionalGeneration
+except ImportError:
+    GlmOcrForConditionalGeneration = None
+
 
 class Glm4vImageProcessor(SGLangBaseProcessor):
     models = [
-        Glm4vForConditionalGeneration,
-        Glm4vMoeForConditionalGeneration,
-        GlmOcrForConditionalGeneration,
+        m
+        for m in [
+            Glm4vForConditionalGeneration,
+            Glm4vMoeForConditionalGeneration,
+            GlmOcrForConditionalGeneration,
+        ]
+        if m is not None
     ]
 
     def __init__(self, hf_config, server_args, _processor, *args, **kwargs):