Update app.py

app.py

@@ -28,7 +28,7 @@ def main():
     
     uploaded_image = st.file_uploader("Upload an image", type=["jpg", "jpeg", "png"])
 
-    if uploaded_file is not None:
+    if uploaded_image is not None:
 
         st.image(uploaded_image, caption="Uploaded Image", use_column_width=True)