upd app file

app.py

@@ -460,7 +460,7 @@ def start_generation(pdf_file, model_name_t, model_name_v, template_root,
                     qwen_api_key, zhipuai_api_key, openrouter_api_key):
     """Start generation process"""
     if pdf_file is None:
-        return "❌ Please upload a PDF file", gr.update(visible=False), "", "", gr.update(), gr.update(), ""
+        return "❌ Please upload a PDF file", gr.update(visible=False), "", "", gr.update(), gr.update()
     
     # Validate API keys
     validation_errors = validate_api_keys(
@@ -470,7 +470,7 @@ def start_generation(pdf_file, model_name_t, model_name_v, template_root,
     
     if validation_errors:
         error_msg = "❌ API Key Validation Failed:\n" + "\n".join(f"• {error}" for error in validation_errors)
-        return error_msg, gr.update(visible=False), "", "", gr.update(), gr.update(), ""
+        return error_msg, gr.update(visible=False), "", "", gr.update(), gr.update()
     
     state.reset()
     
@@ -489,7 +489,7 @@ def start_generation(pdf_file, model_name_t, model_name_v, template_root,
             try:
                 matched = matching(template_requirement)
             except Exception as e:
-                return f"❌ Template recommendation failed: {e}", gr.update(visible=False), "", "", gr.update(choices=[], value=None), gr.update(visible=False, value=""), ""
+                return f"❌ Template recommendation failed: {e}", gr.update(visible=False), "", "", gr.update(choices=[], value=None), gr.update(visible=False, value="")
             
             html_finder_ = HtmlFinder()
             with open('templates/template_link.json','r') as f:
@@ -510,14 +510,14 @@ def start_generation(pdf_file, model_name_t, model_name_v, template_root,
                     continue
             
             if not previews:
-                return "❌ No previewable templates found", gr.update(visible=False), "", "", gr.update(choices=[], value=None), gr.update(visible=False, value=""), ""
+                return "❌ No previewable templates found", gr.update(visible=False), "", "", gr.update(choices=[], value=None), gr.update(visible=False, value="")
             
             md_lines = ["### 🔍 Please select a template to preview before clicking **Start Generation**", ""]
             for name, _, url in previews:
                 md_lines.append(f"- **{name}** → [{url}]({url})")
             md = "\n".join(md_lines)
             
-            return "Recommended 3 templates, please select one to continue", gr.update(visible=False), "", "", gr.update(choices=[n for n, _, _ in previews], value=None), gr.update(visible=True, value=md), ""
+            return "Recommended 3 templates, please select one to continue", gr.update(visible=False), "", "", gr.update(choices=[n for n, _, _ in previews], value=None), gr.update(visible=True, value=md)
         
         template_dir = os.path.join(template_root, template_choice_value)
     
@@ -545,7 +545,7 @@ def start_generation(pdf_file, model_name_t, model_name_v, template_root,
     )
     
     if not args.template_dir:
-        return "❌ Please select a template", gr.update(visible=False), "", "", gr.update(), gr.update(), ""
+        return "❌ Please select a template", gr.update(visible=False), "", "", gr.update(), gr.update()
     
     if not args.template_file:
         html_finder_ = HtmlFinder()
@@ -633,7 +633,7 @@ def start_generation(pdf_file, model_name_t, model_name_v, template_root,
     except Exception as e:
         import traceback
         error_msg = f"❌ Generation failed: {str(e)}\n{traceback.format_exc()}"
-        return error_msg, gr.update(visible=False), "", "", gr.update(), gr.update(), ""
+        return error_msg, gr.update(visible=False), "", "", gr.update(), gr.update()
 
 def generate_section_initial():
     """Generate initial Section"""