Update app.py

app.py

@@ -9,5 +9,5 @@ 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")
-     fig = px.line(df, y=series, title=f'Forecasting {series}')
+     fig = px.line(dataframe, y=series, title=f'Forecasting {series}')
      fig.show()