[Neuroimaging] [DIPY] pip question

[Eric Larson]

>
> I don't use conda myself - but I guess that line must be wrong, and
>> you need to drop either the first or the second 'dipy' , as in:
>>
>> dependencies:
>>  - pip:
>>    - --only-binary dipy
>>
>
It looks like for pip, --only-binary requires an argument, namely the list
of packages to only consider binary installations for:

$ pip install --only-binary dipy
ERROR: You must give at least one requirement to install (see "pip
help install")
$ pip install dipy --only-binary
...
--only-binary option requires 1 argument
$ pip install dipy --only-binary dipy
Collecting dipy
  Using cached dipy-1.1.1-cp38-cp38-macosx_10_9_x86_64.whl (7.7 MB)
...

So the command in the requirement.txt file is fine, and actually omitting
the `--only-binary` argument leads to an error.

In this particular case, it turns out that the reason that there was a
failure (seen from another thread) is that the system in question runs
CentOS 6.X, which is incompatible with the build platform used to generate
the dipy wheels.

Eric
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