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FutureWarning: casting datetime64[ns] values to int64 with .astype(...) is deprecated

See original GitHub issue

ALL software version info

numpy.__version__ = '1.20.3'
holoviews.__version__ = '1.14.6'

Description of expected behavior and the observed behavior

Casting datetime64[ns] values to int64 with .astype(…) is deprecated

Complete, minimal, self-contained example code that reproduces the issue

import hvplot.pandas  # noqa
import pandas as pd

df = pd.DataFrame({
    "time": pd.date_range("2020", "2021" ,100),
    "data": 100 * [1],
})

df.hvplot.line("time", "data", datashade=True)

Stack traceback and/or browser JavaScript console output

C:\Users\shh\miniconda3\envs\clean_holoviz\lib\site-packages\holoviews\operation\datashader.py:428: FutureWarning: casting datetime64[ns] values to int64 with .astype(...) is deprecated and will raise in a future version. Use .view(...) instead.
  df[d.name] = vals.astype('int64')

Issue Analytics

State:
Created 2 years ago
Comments:7 (6 by maintainers)

Top GitHub Comments

4reactions

jorisvandenbosschecommented, Jan 21, 2022

FYI, the deprecation warning has been reverted

1reaction

Hoxbrocommented, Nov 22, 2021

The warning was added here: https://github.com/pandas-dev/pandas/pull/38544

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