| 1 | diff --color -rupN a/rfc_bibtex/rfc_bibtex.py b/rfc_bibtex/rfc_bibtex.py
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| 2 | |
| 3 | |
| 4 | @@ -75,7 +75,9 @@ class RFCBibtex(object):
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| 5 | @property
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| 6 | def bibtex_entries(self):
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| 7 | # remove Nones (errors returned by urllib), so that they're not printed
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| 8 | - return filter(None.__ne__, [self.get_bibtex_from_id(id_name) for id_name in self._id_names])
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| 9 | + return (
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| 10 | + i for i in [self.get_bibtex_from_id(id_name) for id_name in self._id_names] if i is not None
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| 11 | + )
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| 12 |
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| 13 | def _read_ids_from_plain_file(self, filename):
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| 14 | with open(filename, 'r') as f:
|