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Diffstat (limited to 'django/forms')
| -rw-r--r-- | django/forms/fields.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/django/forms/fields.py b/django/forms/fields.py index cca2091ffa..09e20617ad 100644 --- a/django/forms/fields.py +++ b/django/forms/fields.py @@ -514,7 +514,8 @@ class DurationField(Field): } def prepare_value(self, value): - return duration_string(value) + if isinstance(value, datetime.timedelta): + return duration_string(value) def to_python(self, value): if value in self.empty_values: |