Update app.py

app.py

@@ -763,7 +763,49 @@ def get_db_stats(vector_store: VectorStoreManager) -> str:
     except Exception as e:
         logger.error(f"Error getting statistics: {e}")
         return "Error getting database statistics"
+# Find and fix the `try` block around line 828
 
+# The error occurs because there's likely a `try` statement without a matching `except` or `finally`
+# Here are the possible locations and fixes:
+
+# Option 1: If it's in the custom CSS definition around that line number
+custom_css = """
+    .gradio-container {
+        max-width: 1200px;
+        margin: auto;
+    }
+    .gr-prose h1 {
+        font-size: 2.5rem;
+        margin-bottom: 1rem;
+        color: #1a5276;
+    }
+    .gr-prose h3 {
+        font-size: 1.25rem;
+        font-weight: 600;
+        margin-top: 1rem;
+        margin-bottom: 0.5rem;
+        color: #2874a6;
+    }
+    .container {
+        margin: 0 auto;
+        padding: 2rem;
+    }
+    .gr-box {
+        border-radius: 8px;
+        box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
+        padding: 1rem;
+        margin-bottom: 1rem;
+        background-color: #f9f9f9;
+    }
+    .footer {
+        text-align: center;
+        font-size: 0.8rem;
+        color: #666;
+        margin-top: 2rem;
+    }
+"""  # Make sure this closing triple quote is present
+
+# Option 2: If it's in the main function, make sure all try blocks have matching except clauses
 def main():
     """Main function to run the RAG application"""
     # Path for configuration file
@@ -790,39 +832,66 @@ def main():
         # Initialize RAG system without API keys initially
         rag_system = RAGSystem(vector_store, config)
         
-        # Custom CSS for better UI
-        custom_css = """
-        .gradio-container {
-            max-width: 1200px;
-            margin: auto;
-        }
-        .gr-prose h1 {
-            font-size: 2.5rem;
-            margin-bottom: 1rem;
-            color: #1a5276;
-        }
-        .gr-prose h3 {
-            font-size: 1.25rem;
-            font-weight: 600;
-            margin-top: 1rem;
-            margin-bottom: 0.5rem;
-            color: #2874a6;
-        }
-        .container {
-            margin: 0 auto;
-            padding: 2rem;
-        }
-        .gr-box {
-            border-radius: 8px;
-            box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
-            padding: 1rem;
-            margin-bottom: 1rem;
-            background-color: #f9f9f9;
-        }
-        .footer {
-            text-align: center;
-            font-size: 0.8rem;
-            color: #666;
-            margin-top: 2rem;
-        }
-        """
+        # Create the Gradio interface with custom CSS
+        with gr.Blocks(title="Document Knowledge Assistant", css=custom_css) as app:
+            # Interface code here...
+            pass  # Replace with actual UI code
+            
+        # Launch the interface
+        app.launch(
+            share=False,
+            server_name="0.0.0.0",
+            server_port=7860,
+            debug=False
+        )
+            
+    except Exception as e:  # Make sure there's an except clause for every try
+        logger.critical(f"Error starting application: {e}")
+        print(f"Error starting application: {e}")
+        sys.exit(1)
+
+# Option 3: If it's in an Example or Markdown section, make sure triple quotes are properly closed
+
+# Option 4: Complete fix for the most likely scenario - an incomplete try block in the main function
+def main_fixed():
+    """Main function to run the RAG application"""
+    # Path for configuration file
+    CONFIG_FILE_PATH = "rag_config.json"
+    
+    # Try to load configuration from file, or use defaults
+    try:
+        if os.path.exists(CONFIG_FILE_PATH):
+            config = Config.from_file(CONFIG_FILE_PATH)
+        else:
+            config = Config(
+                local_dir="./chroma_db",
+                collection_name="markdown_docs"
+            )
+            # Save default configuration
+            config.save_to_file(CONFIG_FILE_PATH)
+        
+        print(f"Starting Document Knowledge Assistant v{VERSION}")
+        print(f"Log file: {log_file}")
+        
+        # Initialize vector store manager with existing collection
+        vector_store = VectorStoreManager(config)
+        
+        # Initialize RAG system without API keys initially
+        rag_system = RAGSystem(vector_store, config)
+        
+        # Create the Gradio interface
+        with gr.Blocks(title="Document Knowledge Assistant", css=custom_css) as app:
+            # UI code here
+            pass  # Replace with actual UI code
+            
+        # Launch the interface
+        app.launch(
+            share=False,
+            server_name="0.0.0.0",
+            server_port=7860,
+            debug=False
+        )
+    except Exception as e:
+        logger.critical(f"Error starting application: {e}")
+        print(f"Error starting application: {e}")
+        sys.exit(1)