Add extra line

Author: Maryanne Gichohi

examples/Python/ChatAgent/app.py

@@ -26,8 +26,7 @@ async def main():
         print("Agent response: ", response.text)
         input("Press enter to continue...")
 
-            
         print("Exiting... Goodbye...")
 
 if __name__ == "__main__":
-    asyncio.run(main())
+    asyncio.run(main())