Fix for ValueError: zero-size array

act-now-coalition / covid-data-model

Data backend providing computed data for the graphs displayed at https://covidactnow.org

https://covidactnow.org/

MIT License

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Closed TomGoBravo closed 3 years ago

TomGoBravo commented 3 years ago

fix for 'ValueError: zero-size array to reduction operation maximum which has no identity' when .loc[[key]] isn't found. This didn't raise in pandas 1.0, does in 1.2
fix cached_property to work with 3.7 or 3.9.