move Florence-2-base init to top,fail fast

app.py

@@ -231,6 +231,16 @@ if "Florence2ModelLoader" in NODE_CLASS_MAPPINGS:
     florence_class.INPUT_TYPES()
 # =========================================================================
 
+florence2modelloader = NODE_CLASS_MAPPINGS["Florence2ModelLoader"]()
+florence2run = NODE_CLASS_MAPPINGS["Florence2Run"]()
+florence2modelloader_204 = florence2modelloader.loadmodel(
+    model="Florence-2-base",
+    precision="fp16",
+    attention="sdpa",
+    convert_to_safetensors=False,
+)
+print("load done: Florence-2-base")
+
 
 checkpointloadersimple = NODE_CLASS_MAPPINGS["CheckpointLoaderSimple"]()
 checkpointloadersimple_50 = checkpointloadersimple.load_checkpoint(
@@ -248,8 +258,7 @@ print("load done: control_v11p_sd15_openpose.pth")
 
 loadimage = NODE_CLASS_MAPPINGS["LoadImage"]()
 
-florence2modelloader = NODE_CLASS_MAPPINGS["Florence2ModelLoader"]()
-florence2run = NODE_CLASS_MAPPINGS["Florence2Run"]()
+
 
 
 
@@ -343,13 +352,7 @@ model_management.load_models_gpu([
 ])
 print("model_management.load_models_gpu(model_loaders) done")
 
-florence2modelloader_204 = florence2modelloader.loadmodel(
-    model="Florence-2-base",
-    precision="fp16",
-    attention="sdpa",
-    convert_to_safetensors=False,
-)
-print("load done: Florence-2-base")
+
 
 @spaces.GPU(duration=60)
 def generate_image(model_image, hairstyle_template_image):