[AstroPy] question re specutils

[Erik Bray]

On 09/17/2014 11:15 AM, Aycha Tammour wrote:
> Hi Erik,
>
> specutils.__version__
> ''
>
> specutils.__file__
> 'specutils/__init__.py'
>
> The package I am using is the one I grabbed from the github repo just yesterday.

It sounds like you're just trying to import the package directly out of the 
repository clone without building the package first or installing it.

It looks like specutils doesn't have installation instructions as such, but I 
recommend looking at the installation instructions for Astropy as it applies all 
the same:

http://docs.astropy.org/en/stable/install.html

Erik

> On Wed, Sep 17, 2014 at 11:10 AM, Erik Bray <embray at stsci.edu
> <mailto:embray at stsci.edu>> wrote:
>
>     On 09/17/2014 10:12 AM, Aycha Tammour wrote:
>     > Hi,
>     >
>     > I have a question about one of Astropy's affiliated packages and I hope someone
>     > here can help with it.
>     > I am trying to use specutils' extinction module but it seems I am unable to
>     > import it.
>     >
>     > I tried:
>     > import specutils
>     > specutils.extinction.extinction_ccm89(wave, r_v=3.1)
>     > And got:
>     > AttributeError: 'module' object has no attribute 'extinction'
>     >
>     > When I tried:
>     > from specutils import extinction
>     > I still got
>     > ImportError: cannot import name extinction
>     >
>     > Am I missing something here? I should mention that I was able to use some of the
>     > functionality in spectrum1D.
>
>     When you import specutils what do
>
>       >>> specutils.__version__
>
>     and
>
>       >>> specutils.__file__
>
>     show?
>
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