Update app.py

app.py

@@ -9,6 +9,7 @@ if uploaded_file is not None:
      dataframe = pd.read_csv(uploaded_file)
      st.write(dataframe)
      series = st.text_input("Write the name of the variable you want to forecast")
+     dataframe['time'] = dataframe.index
      if series is not None:    
-          fig = px.line(dataframe, x=dataframe.index,y=series, title=f'Forecasting {series}')
+          fig = px.line(dataframe, x='time', y=series, title=f'Forecasting {series}')
           fig.show()