Update app.py

app.py

@@ -58,7 +58,7 @@ class NotebookLMTool:
             # --- 步驟 A: 提取文字 (OCR) ---
             try:
                 resp_text = self.client.models.generate_content(
-                    model="gemini-2.0-flash",
+                    model="gemini-2.5-flash",
                     contents=["Extract all text content from this slide strictly.", img]
                 )
                 page_content = resp_text.text if resp_text.text else "[No Text Found]"
@@ -74,7 +74,7 @@ class NotebookLMTool:
             try:
                 # 參考你的 JS：使用 responseModalities = ["IMAGE"]
                 resp_img = self.client.models.generate_content(
-                    model="gemini-2.0-flash-exp",
+                    model="gemini-2.5-flash",
                     contents=[
                         "Remove all text from this image. Fill the gaps using the surrounding background texture to make it look clean and natural. Output ONLY the image.", 
                         img