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Cannot import IERS data (due to regression in Numpy 1.15.3?) (SOLVED: Use 1.15.2 or wait for 1.15.4)

See original GitHub issue

I cannot load the IERS data using the latest version of Numpy. This is due to a change or possibly a regression in Numpy 1.15.13.

The test consists of the following Python code:

from astropy.utils.iers import IERS_Auto
IERS_Auto.open()

It works with numpy==1.15.2:

$ docker run --rm -it python:slim bash -c 'pip install astropy numpy==1.15.2 && python -c "from astropy.utils.iers import IERS_Auto; IERS_Auto.open()"'
Collecting astropy
  Downloading https://files.pythonhosted.org/packages/5a/c6/5e823cb1b0a55eb0ab5da32553916867f7cd7349df98b517ba6f19c86edc/astropy-3.0.5-cp37-cp37m-manylinux1_x86_64.whl (6.0MB)
    100% |████████████████████████████████| 6.0MB 5.4MB/s 
Collecting numpy==1.15.2
  Downloading https://files.pythonhosted.org/packages/98/44/94cc2e139b611b16458384ff3b9c87f217144b5915b0a9798c07a7295437/numpy-1.15.2-cp37-cp37m-manylinux1_x86_64.whl (13.8MB)
    100% |████████████████████████████████| 13.9MB 1.7MB/s 
Installing collected packages: numpy, astropy
Successfully installed astropy-3.0.5 numpy-1.15.2
Downloading http://maia.usno.navy.mil/ser7/finals2000A.all
|==========================================| 3.2M/3.2M (100.00%)         2s

But it fails with numpy==1.15.3:

$ docker run --rm -it python:slim bash -c 'pip install astropy numpy==1.15.3 && python -c "from astropy.utils.iers import IERS_Auto; IERS_Auto.open()"'
Collecting astropy
  Downloading https://files.pythonhosted.org/packages/5a/c6/5e823cb1b0a55eb0ab5da32553916867f7cd7349df98b517ba6f19c86edc/astropy-3.0.5-cp37-cp37m-manylinux1_x86_64.whl (6.0MB)
    100% |████████████████████████████████| 6.0MB 4.1MB/s 
Collecting numpy==1.15.3
  Downloading https://files.pythonhosted.org/packages/f2/1f/a05544224706463a1c28589db5900247c7e85a077a0d254e7db012fbb008/numpy-1.15.3-cp37-cp37m-manylinux1_x86_64.whl (13.8MB)
    100% |████████████████████████████████| 13.9MB 1.8MB/s 
Installing collected packages: numpy, astropy
Successfully installed astropy-3.0.5 numpy-1.15.3
Downloading http://maia.usno.navy.mil/ser7/finals2000A.all
|==========================================| 3.2M/3.2M (100.00%)         1s
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/local/lib/python3.7/site-packages/astropy/utils/iers/iers.py", line 642, in open
    cls.iers_table = cls.read(file=filename)
  File "/usr/local/lib/python3.7/site-packages/astropy/utils/iers/iers.py", line 502, in read
    table = cls._combine_a_b_columns(iers_a)
  File "/usr/local/lib/python3.7/site-packages/astropy/utils/iers/iers.py", line 464, in _combine_a_b_columns
    is_predictive = (table['UT1Flag_A'] == 'P') | (table['PolPMFlag_A'] == 'P')
  File "/usr/local/lib/python3.7/site-packages/numpy/ma/core.py", line 3016, in __array_finalize__
    self._fill_value = _check_fill_value(self._fill_value, self.dtype)
  File "/usr/local/lib/python3.7/site-packages/numpy/ma/core.py", line 476, in _check_fill_value
    fill_value = np.array(fill_value, copy=False, dtype=ndtype)
ValueError: invalid literal for int() with base 10: 'N'

Issue Analytics

State:
Created 5 years ago
Reactions:1
Comments:11 (11 by maintainers)

Top GitHub Comments

1reaction

bsipoczcommented, Oct 23, 2018

the ci-helpers PR is this one, and should be merged once CI is green on it: https://github.com/astropy/ci-helpers/pull/331

0reactions

pllimcommented, Oct 26, 2018

Patch upstream is merged. We’ll just have to wait for 1.15.4.

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