parse TAB variant files, changed some commandline flags

Well, you've still seen it, just as a prefix of some other string. Any
ideas on how to phrase it better?

On Mon, Sep 8, 2014 at 3:54 PM, Dan Vanderkam <notifications@github.com>
wrote:

> In immuno/load_file.py:
>
> > @@ -133,7 +170,7 @@ def success(row):
> >          if not seq:
> >              error(annot)
> >          else:
> > -            if seq in seen_source_sequences:
> > +            if any(s.startswith(seq) for s in seen_source_sequences):
> >                  skip("Already seen sequence %s", seq)
>
> I was just suggesting rewording the string, since it's now startswith
> instead of ==.
>
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> <https://github.com/hammerlab/immuno/pull/128/files#r17262434>.
>