Update app.py

app.py

@@ -905,12 +905,42 @@ def create_ui():
 # ---------------------------
 # Launch application
 # ---------------------------
-if __name__ == "__main__":
+try:
+    print("🚀 Starting MCQ Test Generator Pro v2.0")
+    print(f"📦 Gradio version: {gr.__version__}")
+    
+    # Check API key
+    if not GROQ_API_KEY:
+        print("⚠️ WARNING: GROQ_API_KEY not found in environment variables")
+        print("Please set it in Hugging Face Space Settings > Repository secrets")
+    else:
+        print(f"✅ API Key configured (length: {len(GROQ_API_KEY)})")
+    
+    # Create and launch
     demo = create_ui()
-    demo.launch(
-        share=False,  # Set to True for Hugging Face Spaces
-        server_name="0.0.0.0",
-        server_port=7860,
-        show_error=True,
-        favicon_path=None
-    )
+    print("✅ UI created successfully")
+    
+    demo.queue()  # Enable queue for better handling
+    demo.launch()
+    
+except Exception as e:
+    print(f"❌ Critical Error: {str(e)}")
+    import traceback
+    traceback.print_exc()
+    
+    # Create minimal error interface
+    with gr.Blocks() as error_demo:
+        gr.Markdown(f"""
+        # ❌ Application Error
+        
+        **Error Message:** {str(e)}
+        
+        **Common Solutions:**
+        1. Check if GROQ_API_KEY is set in Space settings
+        2. Verify all dependencies are installed
+        3. Check the build logs for errors
+        
+        **Contact:** Developer - Najaf Ali Sharqi
+        """)
+    
+    error_demo.launch()