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Diffstat (limited to 'src/isodate/isoduration.py')
| -rw-r--r-- | src/isodate/isoduration.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/isodate/isoduration.py b/src/isodate/isoduration.py index 6da69f5..88829f7 100644 --- a/src/isodate/isoduration.py +++ b/src/isodate/isoduration.py @@ -34,6 +34,8 @@ from datetime import timedelta from decimal import Decimal import re +from six import string_types + from isodate.duration import Duration from isodate.isoerror import ISO8601Error from isodate.isodatetime import parse_datetime @@ -80,7 +82,7 @@ def parse_duration(datestring): The alternative format does not support durations with years, months or days set to 0. """ - if not isinstance(datestring, basestring): + if not isinstance(datestring, string_types): raise TypeError("Expecting a string %r" % datestring) match = ISO8601_PERIOD_REGEX.match(datestring) if not match: |