Update app.py

app.py

@@ -84,8 +84,8 @@ app = gr.Interface(
     Upload a source and a target image to start.
     """)
     inputs=[
-        gr.Image(str="Source Image:"), 
-        gr.Image(str="Target Image:"), 
+        gr.Image(label="Source Image:"), 
+        gr.Image(label="Target Image:"), 
         gr.Checkbox(label="Face Enhancer?", info="Do face enhancement?")
     ], 
     outputs="image"