Update app.py

app.py

@@ -54,12 +54,15 @@ def get_feature_flags():
     return flags
 
 # ===========================================
-# FIX FOR ASYNC EVENT LOOP ISSUES
+# FIX FOR ASYNC EVENT LOOP ISSUES - UPDATED FOR SPACES COMPATIBILITY
 # ===========================================
+# CRITICAL FIX: Don't apply nest_asyncio here - let uvicorn handle it
+# This fixes the "loop_factory" TypeError
 try:
     import nest_asyncio
-    nest_asyncio.apply()
-    logger.info("✅ Applied nest_asyncio for async event loop compatibility")
+    # Only apply if we're NOT in the main thread (detect if uvicorn is running)
+    # We'll handle this differently in the main() function
+    logger.info("✅ nest_asyncio imported but not applied yet")
 except ImportError:
     logger.warning("⚠️ nest_asyncio not available, async operations may have issues")
 
@@ -332,10 +335,10 @@ class AsyncRunner:
         return wrapper
 
 # ===========================================
-# SIMPLE SETTINGS - FIXED: Added missing attribute
+# SIMPLE SETTINGS - FIXED: Added missing attributes
 # ===========================================
 class Settings:
-    """Simple settings class - FIXED: Added default_savings_rate"""
+    """Simple settings class - FIXED: Added all missing attributes"""
     def __init__(self):
         self.arf_mode = "demo"
         self.use_true_arf = True
@@ -355,6 +358,10 @@ class Settings:
         self.telemetry_enabled = True
         self.mcp_mode = "simulated"
         self.enterprise_features = ["simulated_execution", "rollback_guarantee"]
+        self.default_savings_rate = 0.25  # FIXED: Ensure it's defined
+        self.enable_mcp_integration = True  # FIXED: Added missing
+        self.enable_learning_engine = True  # FIXED: Added missing
+        self.max_concurrent_incidents = 5  # FIXED: Added missing
 
 settings = Settings()
 
@@ -2386,10 +2393,9 @@ def create_demo_interface():
     # Get feature flags
     flags = get_feature_flags()
     
-    # Create interface with modern UI initialization
+    # Create interface WITHOUT css parameter (fixes Gradio 6.0 warning)
     with gr.Blocks(
-        title=f"🚀 ARF Investor Demo v3.3.9 - TRUE ARF OSS Integration",
-        css=load_css_files()  # Load CSS directly
+        title=f"🚀 ARF Investor Demo v3.3.9 - TRUE ARF OSS Integration"
     ) as demo:
         
         # MODERN UI INITIALIZATION
@@ -2987,7 +2993,7 @@ def create_dark_mode_toggle():
     """
 
 # ===========================================
-# MAIN EXECUTION - CRITICAL: THIS LAUNCHES THE APP
+# MAIN EXECUTION - CRITICAL: THIS LAUNCHES THE APP - UPDATED FOR SPACES
 # ===========================================
 
 def main():
@@ -3020,18 +3026,15 @@ def main():
         port = int(os.getenv("GRADIO_SERVER_PORT", "7860"))
         server_name = os.getenv("GRADIO_SERVER_NAME", "0.0.0.0")
         
-        # CRITICAL: For Spaces, Gradio needs to try multiple ports
-        # Use a port range instead of a single port
-        server_ports = [port, port + 1, port + 2]  # Try multiple ports
-        
-        # Get CSS if available
+        # Get CSS
         css_styles = load_css_files()
         
-        logger.info(f"🚀 Launching on {server_name} with ports: {server_ports}")
+        logger.info(f"🚀 Launching on {server_name}:{port}")
         print(f"🌐 Starting on http://{server_name}:{port}")
         
         # SIMPLE LAUNCH FOR SPACES COMPATIBILITY
         demo.launch(
+            css=css_styles,  # CSS moved to launch() - fixes Gradio 6.0 warning
             server_name=server_name,
             server_port=port,
             share=False,
@@ -3049,7 +3052,7 @@ def main():
         sys.exit(1)
 
 # ===========================================
-# HUGGING FACE SPACES COMPATIBILITY
+# HUGGING FACE SPACES COMPATIBILITY - UPDATED
 # ===========================================
 
 # This is the entry point that Hugging Face Spaces will use
@@ -3059,35 +3062,14 @@ if __name__ == "__main__":
     
     # ============ CRITICAL FIXES FOR HUGGING FACE SPACES ============
     
-    # 1. Fix uvicorn/nest_asyncio compatibility issue FIRST
-    # This must happen before ANY asyncio operations
-    try:
-        import nest_asyncio
-        import asyncio
-        
-        # Get or create event loop
-        try:
-            loop = asyncio.get_event_loop()
-        except RuntimeError:
-            # No event loop exists yet, create one
-            loop = asyncio.new_event_loop()
-            asyncio.set_event_loop(loop)
-        
-        # Apply nest_asyncio to the event loop
-        nest_asyncio.apply(loop)
-        logger.info("✅ Applied nest_asyncio to event loop - fixes uvicorn loop_factory error")
-    except Exception as e:
-        logger.warning(f"⚠️ Could not apply nest_asyncio: {e}")
-        # Continue anyway - some versions might work without it
-    
-    # 2. Set environment variables for Hugging Face Spaces compatibility
+    # 1. Set environment variables for Hugging Face Spaces compatibility
     os.environ["GRADIO_ANALYTICS_ENABLED"] = "False"
     os.environ["GRADIO_SERVER_PORT"] = "7860"  # Spaces will override this if needed
     os.environ["GRADIO_SERVER_NAME"] = "0.0.0.0"
     os.environ["GRADIO_HOT_RELOAD"] = "False"  # Disable hot reload in Spaces
     os.environ["GRADIO_QUEUE_ENABLED"] = "True"  # Enable queue for stability
     
-    # 3. Additional fixes for uvicorn warnings
+    # 2. Additional fixes for uvicorn warnings
     os.environ["UVICORN_LOG_LEVEL"] = "warning"  # Reduce uvicorn log noise
     os.environ["UVICORN_ACCESS_LOG"] = "False"  # Disable access logs
     
@@ -3097,13 +3079,13 @@ if __name__ == "__main__":
     print(f"📊 Python version: {sys.version}")
     print("="*60 + "\n")
     
-    # 4. Detect if we're running in Hugging Face Spaces
+    # 3. Detect if we're running in Hugging Face Spaces
     is_huggingface_space = "SPACE_ID" in os.environ or "HF_SPACE" in os.environ
     if is_huggingface_space:
         print("✅ Hugging Face Spaces environment detected")
         print("🤖 Using Spaces-optimized configuration")
     
-    # 5. Check for required files with better error handling
+    # 4. Check for required files with better error handling
     required_files = ["styles/modern.css", "styles/responsive.css", "ui/components.py"]
     missing_files = []
     
@@ -3129,7 +3111,7 @@ if __name__ == "__main__":
                 except Exception as e:
                     print(f"⚠️  Could not create {css_file}: {e}")
     
-    # 6. Import gradio early to prevent threading issues
+    # 5. Import gradio early to prevent threading issues
     try:
         import gradio as gr
         logger.info(f"✅ Gradio {gr.__version__} loaded successfully")
@@ -3138,7 +3120,7 @@ if __name__ == "__main__":
         print("❌ CRITICAL: Gradio failed to load")
         raise
     
-    # 7. Start the main application with better error handling
+    # 6. Start the main application with better error handling
     try:
         main()
     except Exception as e: