old_contents: import re
  import json
  
  from streamlink.plugin import Plugin
  from streamlink.plugin.api import http
  from streamlink.stream import HDSStream
  
  _url_re = re.compile(r"http(s)?://(\w+\.)?sportschau.de/")
  _player_js = re.compile(r"https?://deviceids-medp.wdr.de/ondemand/.*\.js")
  
  
  class sportschau(Plugin):
      @classmethod
      def can_handle_url(cls, url):
          return _url_re.match(url)
  
      def _get_streams(self):
          res = http.get(self.url)
          match = _player_js.search(res.text)
          if match:
              player_js = match.group(0)
              self.logger.info("Found player js {0}", player_js)
          else:
              self.logger.info("Didn't find player js. Probably this page doesn't contain a video")
              return
  
          res = http.get(player_js)
  
          jsonp_start = res.text.find('(') + 1
          jsonp_end = res.text.rfind(')')
  
          if jsonp_start <= 0 or jsonp_end <= 0:
              self.logger.info("Couldn't extract json metadata from player.js: {0}", player_js)
              return
  
          json_s = res.text[jsonp_start:jsonp_end]
  
          stream_metadata = json.loads(json_s)
  
          return HDSStream.parse_manifest(self.session, stream_metadata['mediaResource']['dflt']['videoURL']).items()
  
  
  __plugin__ = sportschau
  
new_contents: import re
  import json
  
  from streamlink.plugin import Plugin
  from streamlink.plugin.api import http
  from streamlink.stream import HDSStream
  from streamlink.utils import update_scheme
  
  _url_re = re.compile(r"http(s)?://(\w+\.)?sportschau.de/")
  _player_js = re.compile(r"https?://deviceids-medp.wdr.de/ondemand/.*\.js")
  
  
  class sportschau(Plugin):
      @classmethod
      def can_handle_url(cls, url):
          return _url_re.match(url)
  
      def _get_streams(self):
          res = http.get(self.url)
          match = _player_js.search(res.text)
          if match:
              player_js = match.group(0)
              self.logger.info("Found player js {0}", player_js)
          else:
              self.logger.info("Didn't find player js. Probably this page doesn't contain a video")
              return
  
          res = http.get(player_js)
  
          jsonp_start = res.text.find('(') + 1
          jsonp_end = res.text.rfind(')')
  
          if jsonp_start <= 0 or jsonp_end <= 0:
              self.logger.info("Couldn't extract json metadata from player.js: {0}", player_js)
              return
  
          json_s = res.text[jsonp_start:jsonp_end]
  
          stream_metadata = json.loads(json_s)
  
          hds_url = stream_metadata['mediaResource']['dflt']['videoURL']
          hds_url = update_scheme(self.url, hds_url)
  
          return HDSStream.parse_manifest(self.session, hds_url).items()
  
  
  __plugin__ = sportschau
  
subject: Fix "No schema supplied" error