diff options
-rw-r--r-- | src/isodate/isoduration.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/isodate/isoduration.py b/src/isodate/isoduration.py index 6da69f5..c3cfc65 100644 --- a/src/isodate/isoduration.py +++ b/src/isodate/isoduration.py @@ -80,7 +80,7 @@ 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, (str, unicode)): raise TypeError("Expecting a string %r" % datestring) match = ISO8601_PERIOD_REGEX.match(datestring) if not match: |