[Biopython-dev] [Bug 3105] Bio.Nexus useless line

[Frank Kauff]

On 07/05/2010 12:31 PM, bugzilla-daemon at portal.open-bio.org wrote:
> http://bugzilla.open-bio.org/show_bug.cgi?id=3105
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> ------- Comment #6 from biopython-bugzilla at maubp.freeserve.co.uk  2010-07-05 06:31 EST -------
> (In reply to comment #4)
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>> It's a typo (a rather old one).
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>> Type checking has been changed to isinstance.
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>> Frank
>>      
> I've just changed it back to method checking, i.e. as Eric suggested with
> my typo fixed:
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> if hasattr(filename, 'write'):
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> The trouble with isinstance(filename, file) is that it doesn't allow for file
> like objects - specifically a StringIO handle as used in the unit tests,
> meaning test_AlignIO.py was failing.
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> Peter
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Goot catch. I didn't remember that.

Frank