Issue connecting to navy.mil for deltat.data on 1.10

Seeing issues with loading of timescale, specifically with this deltat.data file. Is there a way to disable the use of this particular timescale?

File "/opt/conda/lib/python3.6/site-packages/skyfield/iokit.py", line 275, in timescale data = self('deltat.data') File "/opt/conda/lib/python3.6/site-packages/skyfield/iokit.py", line 185, in __call__ download(url, path, self.verbose) File "/opt/conda/lib/python3.6/site-packages/skyfield/iokit.py", line 479, in download raise IOError('cannot get {0} because {1}'.format(url, e)) OSError: cannot get http://maia.usno.navy.mil/ser7/deltat.data because Remote end closed connection without response

[brandon-rhodes]

I have just released https://pypi.org/project/skyfield/1.11/ that supports load.timescale(builtin=True) that does not try to download updated files — enjoy!

[jonathanmthomas]

Thank you for the update. That would be great if you could include a copy with the Skyfield library. I’ll keep an eye out for any new updates.

On Feb 5, 2019, at 8:24 PM, Brandon Rhodes [e-mail] wrote:

That’s the only official source I can find for that file, but enough folks have trouble downloading it (especially from areas of the world that the government might periodically block?) that I’m thinking of including it inside Skyfield and not trying to download an up to date copy unless the developer requests it. I’ll update this issue after exploring this possibility.

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