Update app.py

app.py

@@ -31,7 +31,8 @@ df = pd.read_csv("city_temperature.csv")
 city_input = st.selectbox(
      'Which region do you want to predict temparature ?',
      ("all",
-     df["Region"].unique()), index=0)
+     "test",
+     "E"), index=0)
 
 def mergeStateToCountry():
     df.loc[df['State'].notna(), 'Country'] = df['State']