Update app.py

app.py

@@ -6,8 +6,8 @@ import io
 from contextlib import redirect_stdout
 
 inputs = st.text_area('The input tensor(s) specified as key-value pairs', placeholder='''
-'rows': [10, 20, 30],
-'cols': [1,2,3,4],
+{'rows': [10, 20, 30],
+'cols': [1,2,3,4],}
 ''')
   # The single desired output tensor.