old_contents: import re
  
  from streamlink.plugin import Plugin, pluginmatcher
  from streamlink.plugin.api import validate
  from streamlink.stream.hls import HLSStream
  
  
  class GOLTelevisionHLSStream(HLSStream):
      @classmethod
      def _get_variant_playlist(cls, res):
          res.encoding = "UTF-8"
          return super()._get_variant_playlist(res)
  
  
  @pluginmatcher(re.compile(
      r"https?://(?:www\.)?goltelevision\.com/en-directo"
  ))
  class GOLTelevision(Plugin):
      def _get_streams(self):
          url = self.session.http.get(
              "https://www.goltelevision.com/api/manifest/live",
              schema=validate.Schema(
                  validate.parse_json(),
                  {"manifest": validate.url()},
                  validate.get("manifest")
              )
          )
          return GOLTelevisionHLSStream.parse_variant_playlist(self.session, url)
  
  
  __plugin__ = GOLTelevision
  
new_contents: import re
  
  from streamlink.plugin import Plugin, pluginmatcher
  from streamlink.plugin.api import validate
  from streamlink.stream.hls import HLSStream
  
  
  @pluginmatcher(re.compile(
      r"https?://(?:www\.)?goltelevision\.com/en-directo"
  ))
  class GOLTelevision(Plugin):
      def _get_streams(self):
          url = self.session.http.get(
              "https://play.goltelevision.com/api/stream/live",
              schema=validate.Schema(
                  validate.parse_json(),
                  {"manifest": validate.url()},
                  validate.get("manifest")
              )
          )
          return HLSStream.parse_variant_playlist(self.session, url)
  
  
  __plugin__ = GOLTelevision
  
subject: fix API URL