Update app.py

app.py

@@ -33,7 +33,7 @@ def stream_data(value1,path,value2):
 background_image = """
 <style>
 [data-testid="stAppViewContainer"] > .main {
-    background-image: url(Assets/bkc.jpg);
+    background-image: url("https://www.microsoft.com/en-us/research/uploads/prodnew/2021/05/InnerEye-header-2.jpg");
     background-size: 100vw 100vh;  # This sets the size to cover 100% of the viewport width and height
     background-position: center;  
     background-repeat: no-repeat;