Update app.py

app.py

@@ -31,7 +31,7 @@ def infer(image_string, question):
     result = client.predict(
     		image_in,	# filepath  in 'image' Image component
     		question,	# str  in 'Question' Textbox component
-    		api_name="/predict"
+    		api_name='/predict'
     )
     print(result)
     return result