refactor: Reorder imports and the `spaces` dummy decorator definition to the top of the file.

app_hf.py

@@ -1,3 +1,14 @@
+import warnings
+
+# Try to import spaces, if not available (local run), create a dummy decorator
+try:
+    import spaces
+except ImportError:
+    class spaces:
+        @staticmethod
+        def GPU(func):
+            return func
+
 import gradio as gr
 from transformers import AutoModel, AutoTokenizer, AutoProcessor, AutoModelForImageTextToText
 import torch
@@ -8,7 +19,6 @@ import datetime
 import fitz  # PyMuPDF
 import io
 import gc
-import warnings
 
 # Suppress annoying warnings
 warnings.filterwarnings("ignore", message="The parameters have been moved from the Blocks constructor to the launch()")
@@ -17,15 +27,6 @@ warnings.filterwarnings("ignore", message="The following generation flags are no
 warnings.filterwarnings("ignore", message="The attention mask and the pad token id were not set")
 warnings.filterwarnings("ignore", message="You are using a model of type .* to instantiate a model of type .*")
 
-# Try to import spaces, if not available (local run), create a dummy decorator
-try:
-    import spaces
-except ImportError:
-    class spaces:
-        @staticmethod
-        def GPU(func):
-            return func
-
 # --- Configuration ---
 DEEPSEEK_MODEL = 'deepseek-ai/DeepSeek-OCR-2'
 MEDGEMMA_MODEL = 'google/medgemma-1.5-4b-it'