fix: skip flash attn

https://huggingface.co/microsoft/Florence-2-base-ft/discussions/13#66836a8d67d2ccf03a96df8d

memos/plugins/vlm/main.py

@@ -12,6 +12,18 @@ import io
 import torch
 from transformers import AutoModelForCausalLM, AutoProcessor
 
+from unittest.mock import patch
+from transformers.dynamic_module_utils import get_imports
+
+
+def fixed_get_imports(filename: str | os.PathLike) -> list[str]:
+    if not str(filename).endswith("modeling_florence2.py"):
+        return get_imports(filename)
+    imports = get_imports(filename)
+    imports.remove("flash_attn")
+    return imports
+
+
 PLUGIN_NAME = "vlm"
 PROMPT = "描述这张图片的内容"
 
@@ -251,7 +263,7 @@ async def vlm(entity: Entity, request: Request):
 
 def init_plugin(config):
     global modelname, endpoint, token, concurrency, semaphore, force_jpeg, use_local, florence_model, florence_processor, torch_dtype
-    
+
     modelname = config.modelname
     endpoint = config.endpoint
     token = config.token
@@ -279,15 +291,16 @@ def init_plugin(config):
         )
         logger.info(f"Using device: {device}")
 
-        florence_model = AutoModelForCausalLM.from_pretrained(
-            "microsoft/Florence-2-base-ft",
-            torch_dtype=torch_dtype,
-            attn_implementation="sdpa",
-            trust_remote_code=True,
-        ).to(device)
-        florence_processor = AutoProcessor.from_pretrained(
-            "microsoft/Florence-2-base-ft", trust_remote_code=True
-        )
+        with patch("transformers.dynamic_module_utils.get_imports", fixed_get_imports):
+            florence_model = AutoModelForCausalLM.from_pretrained(
+                "microsoft/Florence-2-base-ft",
+                torch_dtype=torch_dtype,
+                attn_implementation="sdpa",
+                trust_remote_code=True,
+            ).to(device)
+            florence_processor = AutoProcessor.from_pretrained(
+                "microsoft/Florence-2-base-ft", trust_remote_code=True
+            )
         logger.info("Florence model and processor initialized")
 
     # Print the parameters