BLOCKER: Sample prep load gui

Thanks! 
Yes, that would make more sense, because that means that we are catching
those exceptions as raised by `load_raw_data_cmd`.

On (Oct-14-14|13:12), Antonio Gonzalez wrote:
> >                          filetypes=fts, msg=msg)
> >              return
> >  
> >          try:
> > -            load_prep_template_from_cmd(fp_rpt, samp_template_id)
> > -        except TypeError:
> > -            msg = 'An error occurred parsing the prep template %s' % fp_rpt
> > +            # inserting raw data
> 
> I could move 188 -> 203 out, if that makes more sense.
> 
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