                      description=force_text(self.cursor_query_description)
                  )
              )
          ]
 
</s> remove         return [
 </s> add         fields = [
        if self.page_size_query_param is not None:
            fields.append(
                coreapi.Field(
                    name=self.page_size_query_param,
                    required=False,
                    location='query',
                    schema=coreschema.Integer(
                        title='Page size',
                        description=force_text(self.page_size_query_description)
                    )
                )
            )
        return fields
                      description=force_text(self.cursor_query_description)
                  )
              )
          ]
        if self.page_size_query_param is not None:
            fields.append(
                coreapi.Field(
                    name=self.page_size_query_param,
                    required=False,
                    location='query',
                    schema=coreschema.Integer(
                        title='Page size',
                        description=force_text(self.page_size_query_description)
                    )
                )
            )
        return fields
keep keep keep add
 Add support for page_size parameter in CursorPaginator class 
rest_framework/pagination.py