      GET /something/?version=0.1 HTTP/1.1
      Host: example.com
      Accept: application/json
      """
      invalid_version_message = _("Invalid version in query parameter.")
  
      def determine_version(self, request, *args, **kwargs):
          version = request.query_params.get(self.version_param)
          if not self.is_allowed_version(version):
              raise exceptions.NotFound(self.invalid_version_message)
 
</s> remove     invalid_version_message = _("Invalid version in URL path.")
 </s> add     invalid_version_message = _('Invalid version in URL path.') </s> remove     invalid_version_message = _("Invalid version in URL path.")
 </s> add     invalid_version_message = _('Invalid version in URL path.') </s> remove     invalid_version_message = _("Invalid version in \"Accept\" header.")
 </s> add     invalid_version_message = _('Invalid version in "Accept" header.') </s> remove     invalid_version_message = _("Invalid version in hostname.")
 </s> add     invalid_version_message = _('Invalid version in hostname.') </s> remove msgid "Invalid version in 'Accept' header."
 </s> add msgid "Invalid version in \"Accept\" header."
    invalid_version_message = _('Invalid version in query parameter.')
      GET /something/?version=0.1 HTTP/1.1
      Host: example.com
      Accept: application/json
      """
    invalid_version_message = _('Invalid version in query parameter.')
  
      def determine_version(self, request, *args, **kwargs):
          version = request.query_params.get(self.version_param)
          if not self.is_allowed_version(version):
              raise exceptions.NotFound(self.invalid_version_message)
keep keep keep keep replace keep keep keep keep keep
 prefer single quotes in source and double quotes in user visible strings; add some missing full stops to user visible strings 
rest_framework/versioning.py