  
  from rest_framework import ISO_8601
  from rest_framework.compat import (
      MaxLengthValidator, MaxValueValidator, MinLengthValidator,
      MinValueValidator, unicode_repr, unicode_to_repr
  )
  from rest_framework.exceptions import ErrorDetail, ValidationError
  from rest_framework.settings import api_settings
  from rest_framework.utils import html, humanize_datetime, json, representation
  
 
</s> remove         'min_length': _('Ensure this field has at least {min_length} characters.')
 </s> add         'min_length': _('Ensure this field has at least {min_length} characters.'),
    MinValueValidator, ProhibitNullCharactersValidator, unicode_repr,
    unicode_to_repr
  
  from rest_framework import ISO_8601
  from rest_framework.compat import (
      MaxLengthValidator, MaxValueValidator, MinLengthValidator,
    MinValueValidator, ProhibitNullCharactersValidator, unicode_repr,
    unicode_to_repr
  )
  from rest_framework.exceptions import ErrorDetail, ValidationError
  from rest_framework.settings import api_settings
  from rest_framework.utils import html, humanize_datetime, json, representation
  
keep keep keep keep replace keep keep keep keep keep
 Prohibit null characters in CharField by default (#6073)

* Implement an allow_null_bytes argument to CharField (default True)
* Switch to using native ProhibitNullCharactersValidator instead 
rest_framework/fields.py