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Tweak exception message

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This commit is contained in:
Tom Christie 2015-07-02 10:16:43 +01:00
parent e3c3d8826f
commit d979dc6522
1 changed files with 3 additions and 3 deletions
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6
rest_framework/fields.py
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@ -420,9 +420,9 @@ class Field(object):
Transform the *outgoing* native value into primitive data.
"""
raise NotImplementedError(
'{cls}.to_representation() must be implemented for field {field_name}.\n'
'If you are upgrading from REST framework version 2 '
'you might want `ReadOnlyField`.'.format(
'{cls}.to_representation() must be implemented for field '
'{field_name}. If you do not need to support write operations '
'you probably want to subclass `ReadOnlyField` instead.'.format(
cls=self.__class__.__name__,
field_name=self.field_name,
)