Method _add_comma_after_first

scrapy/exporters.py:145–150

(self)

            self.file.write(b"\n")

    def _add_comma_after_first(self) -> None:
        if self.first_item:
            self.first_item = False
        else:
            self.file.write(b",")
            self._beautify_newline()

    def start_exporting(self) -> None:
        self.file.write(b"[")