old_contents: # -*- coding: utf-8 -*-
  
  from django.utils.translation import ugettext as _
  
  # Sequence Field
  
  SEQUENCE_KEY = _(u'Key')
  SEQUENCE_VALUE = _(u'Value')
  SEQUENCE_TEMPLATE = _(u'Template')
  SEQUENCE_CREATED = _(u'Created at')
  SEQUENCE_UPDATED = _(u'Updated at')
  
  SEQUENCE_MODEL_NAME = _(u'Sequence')
  SEQUENCE_MODEL_NAME_PLURAL = _(u'Sequences')
  
  SEQUENCE_FIELD_DESCRIPTION = _(u'Templated sequence object')
  
  # Errors
  
  SEQUENCE_FIELD_PATTERN_MISMATCH = _(
      u'The value does not match the specified pattern'
  )
  
  SEQUENCE_FIELD_MISSING_KEY = _(
      u'The key parameter is mandatory and is missing'
  )
  
  SEQUENCE_FIELD_KEY_MISMATCH = _(
      u'The key \'%(key)s\' does not match any of the existing '
      u'sequence model objects'
  )
  
new_contents: # -*- coding: utf-8 -*-
  
  from django.utils.translation import ugettext_lazy as _
  
  # Sequence Field
  
  SEQUENCE_KEY = _(u'Key')
  SEQUENCE_VALUE = _(u'Value')
  SEQUENCE_TEMPLATE = _(u'Template')
  SEQUENCE_CREATED = _(u'Created at')
  SEQUENCE_UPDATED = _(u'Updated at')
  
  SEQUENCE_MODEL_NAME = _(u'Sequence')
  SEQUENCE_MODEL_NAME_PLURAL = _(u'Sequences')
  
  SEQUENCE_FIELD_DESCRIPTION = _(u'Templated sequence object')
  
  # Errors
  
  SEQUENCE_FIELD_PATTERN_MISMATCH = _(
      u'The value does not match the specified pattern'
  )
  
  SEQUENCE_FIELD_MISSING_KEY = _(
      u'The key parameter is mandatory and is missing'
  )
  
  SEQUENCE_FIELD_KEY_MISMATCH = _(
      u'The key \'%(key)s\' does not match any of the existing '
      u'sequence model objects'
  )
  
subject: Update strings.py