NameError: name 'ma1' is not defined

[x829901]

When I run MACD Oscillator backtest.py for Apple Inc. (AAPL), I get a NameError.

ma1:11
ma2:29
start date in format yyyy-mm-dd:2019-03-18
end date in format yyyy-mm-dd:2020-03-18
ticker:AAPL
slicing:10
[*********************100%***********************]  1 of 1 completed
Traceback (most recent call last):
  File "C:/Users/25del/PycharmProjects/KrakenBot/MACD.py", line 134, in <module>
    main()
  File "C:/Users/25del/PycharmProjects/KrakenBot/MACD.py", line 124, in main
    new = signal_generation(df, macd)
  File "C:/Users/25del/PycharmProjects/KrakenBot/MACD.py", line 37, in signal_generation
    signals = method(df)
  File "C:/Users/25del/PycharmProjects/KrakenBot/MACD.py", line 21, in macd
    signals['ma1'] = signals['Close'].rolling(window=ma1, min_periods=1, center=False).mean()
NameError: name 'ma1' is not defined

[je-suis-tm]

Thx for pointing out, I have set them as global variables.