Plot Backtrader

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sdevaux
sdevaux Newcomer
in Datastream

Hi,


When I want to plot my strategy with BackTrader in CodeBook I have the following error :

error.png


I just did :

1650990393003.png

Do you know how can I solve it ?

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Best Answer

  • Jirapongse
    Jirapongse ✭✭✭✭✭
    Answer ✓

    @sdevaux

    I got the same error by using the following code.

    import pandas as pd
    import backtrader as bt
    import datetime
    import refinitiv.dataplatform.eikon as ek


    ek.set_app_key('DEFAULT_CODE_BOOK_APP_KEY') 
     
    df_price = ek.get_timeseries('IBM.N')
    cerebro = bt.Cerebro()
    feed = bt.feeds.PandasData(dataname=df_price)
    cerebro.adddata(feed)
    cerebro.addanalyzer(bt.analyzers.AnnualReturn, _name='areturn')
    cerebro.run()
    cerebro.plot()

    The error is:

    /opt/conda/lib/python3.8/site-packages/backtrader/plot/locator.py in <module>
         33 from matplotlib.dates import AutoDateFormatter as ADFormatter
         34 
    ---> 35 from matplotlib.dates import (HOURS_PER_DAY, MIN_PER_HOUR, SEC_PER_MIN,
         36                               MONTHS_PER_YEAR, DAYS_PER_WEEK,
         37                               SEC_PER_HOUR, SEC_PER_DAY,

    ImportError: cannot import name 'warnings' from 'matplotlib.dates' (/opt/conda/lib/python3.8/site-packages/matplotlib/dates.py)

    The same code runs fine on my Jupyter Notebook environment.

    1651131965097.png

    I searched this error on Google and found that it could be the matplotlib or backtrader installation problem.

    Please try to contact Eikon or Refinitiv Workspace support team via MyRefinitiv to verify this issue in Codebook.

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