int(pd.NaT) not working in python3.9

AlpacaTechJP / trading_calendars

Calendars for various securities exchanges.

Apache License 2.0

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int(pd.NaT) not working in python3.9 #26

Closed UlyssesHung closed 2 years ago

UlyssesHung commented 2 years ago

https://github.com/AlpacaDB/trading_calendars/blob/94e4a08c4fd6fbdd5f042a2a15cd9f7bc47b3941/trading_calendars/calendar_helpers.py#L5

Here is the error message TypeError: int() argument must be a string, a bytes-like object or a number, not 'NaTType'

Environment:

Docker image: continuumio/miniconda3:4.10.3
Python 3.9.5
numpy==1.21.2
pandas==1.3.3

sercant commented 2 years ago

@UlyssesHung thanks for reporting this! Let's support these versions too. I will handle it or also if you are interested, feel free to make a PR 🙏

UlyssesHung commented 2 years ago

@sercant I discover the problem. I follow the README page to install with pip install trading-calendars but it is using the old package 2.1.1 which not includes your fix in 2.1.1.1. I check the requirement in search repo and install with pip install git+https://github.com/alpacadb/trading_calendars.git@2.1.1.1 then it works fine.