prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  TVCatchup addon not working anymore
  root@ovh2:/data# streamlink http://tvcatchup.com/watch/channel4
  [cli][info] streamlink is running as root! Be careful!
  [cli][info] Found matching plugin tvcatchup for URL http://tvcatchup.com/watch/channel4
  error: No streams found on this URL: http://tvcatchup.com/watch/channel4
  root@ovh2:/data# streamlink --plugins
  [cli][info] streamlink is running as root! Be careful!
  Loaded plugins: adultswim, afreeca, afreecatv, aftonbladet, alieztv, antenna, ard_live, ard_mediathek, artetv, atresplayer, azubutv, bambuser, beam, beattv, bigo, bilibili, bliptv, chaturbate, cinergroup, connectcast, crunchyroll, cybergame, dailymotion, dingittv, disney_de, dmcloud, dmcloud_embed, dogan, dogus, dommune, douyutv, dplay, drdk, euronews, expressen, filmon, filmon_us, foxtr, furstream, gaminglive, gomexp, goodgame, hitbox, itvplayer, kanal7, letontv, livecodingtv, livestation, livestream, media_ccc_de, mediaklikk, meerkat, mips, mlgtv, nhkworld, nineanime, nos, npo, nrk, oldlivestream, openrectv, orf_tvthek, pandatv, periscope, picarto, piczel, powerapp, rtlxl, rtve, ruv, seemeplay, servustv, speedrunslive, sportschau, ssh101, stream, streamboat, streamingvideoprovider, streamlive, streamme, streamupcom, svtplay, tga, tigerdile, trt, turkuvaz, tv360, tv3cat, tv4play, tv8, tvcatchup, tvplayer, twitch, ustreamtv, vaughnlive, veetle, vgtv, viagame, viasat, viasat_embed, vidio, wattv, webtv, weeb, younow, youtube, zdf_mediathek
  
  
  </issue>
  <code>
  [start of src/streamlink/plugins/tvcatchup.py]
  1 import re
  2 
  3 from streamlink.plugin import Plugin
  4 from streamlink.plugin.api import http
  5 from streamlink.stream import HLSStream
  6 
  7 USER_AGENT = "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36"
  8 _url_re = re.compile("http://(?:www\.)?tvcatchup.com/watch/\w+")
  9 _stream_re = re.compile(r"\"(?P<stream_url>https?://.*m3u8\?.*clientKey=[^\"]*)\";")
  10 
  11 
  12 class TVCatchup(Plugin):
  13     @classmethod
  14     def can_handle_url(cls, url):
  15         return _url_re.match(url)
  16 
  17     def _get_streams(self):
  18         """
  19         Finds the streams from tvcatchup.com.
  20         """
  21         http.headers.update({"User-Agent": USER_AGENT})
  22         res = http.get(self.url)
  23 
  24         match = _stream_re.search(res.text, re.IGNORECASE | re.MULTILINE)
  25 
  26         if match:
  27             stream_url = match.groupdict()["stream_url"]
  28 
  29             if stream_url:
  30                 if "_adp" in stream_url:
  31                     return HLSStream.parse_variant_playlist(self.session, stream_url)
  32                 else:
  33                     return {'576p': HLSStream(self.session, stream_url)}
  34 
  35 
  36 __plugin__ = TVCatchup
  37
  [end of src/streamlink/plugins/tvcatchup.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/src/streamlink/plugins/tvcatchup.py b/src/streamlink/plugins/tvcatchup.py
  --- a/src/streamlink/plugins/tvcatchup.py
  +++ b/src/streamlink/plugins/tvcatchup.py
  @@ -6,7 +6,7 @@
   
   USER_AGENT = "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36"
   _url_re = re.compile("http://(?:www\.)?tvcatchup.com/watch/\w+")
  -_stream_re = re.compile(r"\"(?P<stream_url>https?://.*m3u8\?.*clientKey=[^\"]*)\";")
  +_stream_re = re.compile(r'''(?P<q>["'])(?P<stream_url>https?://.*m3u8\?.*clientKey=.*?)(?P=q)''')
   
   
   class TVCatchup(Plugin):
  @@ -24,7 +24,7 @@
           match = _stream_re.search(res.text, re.IGNORECASE | re.MULTILINE)
   
           if match:
  -            stream_url = match.groupdict()["stream_url"]
  +            stream_url = match.group("stream_url")
   
               if stream_url:
                   if "_adp" in stream_url:
  
verification_info: {"golden_diff": "diff --git a/src/streamlink/plugins/tvcatchup.py b/src/streamlink/plugins/tvcatchup.py\n--- a/src/streamlink/plugins/tvcatchup.py\n+++ b/src/streamlink/plugins/tvcatchup.py\n@@ -6,7 +6,7 @@\n \n USER_AGENT = \"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36\"\n _url_re = re.compile(\"http://(?:www\\.)?tvcatchup.com/watch/\\w+\")\n-_stream_re = re.compile(r\"\\\"(?P<stream_url>https?://.*m3u8\\?.*clientKey=[^\\\"]*)\\\";\")\n+_stream_re = re.compile(r'''(?P<q>[\"'])(?P<stream_url>https?://.*m3u8\\?.*clientKey=.*?)(?P=q)''')\n \n \n class TVCatchup(Plugin):\n@@ -24,7 +24,7 @@\n         match = _stream_re.search(res.text, re.IGNORECASE | re.MULTILINE)\n \n         if match:\n-            stream_url = match.groupdict()[\"stream_url\"]\n+            stream_url = match.group(\"stream_url\")\n \n             if stream_url:\n                 if \"_adp\" in stream_url:\n", "issue": "TVCatchup addon not working anymore\nroot@ovh2:/data# streamlink http://tvcatchup.com/watch/channel4\r\n[cli][info] streamlink is running as root! Be careful!\r\n[cli][info] Found matching plugin tvcatchup for URL http://tvcatchup.com/watch/channel4\r\nerror: No streams found on this URL: http://tvcatchup.com/watch/channel4\r\nroot@ovh2:/data# streamlink --plugins\r\n[cli][info] streamlink is running as root! Be careful!\r\nLoaded plugins: adultswim, afreeca, afreecatv, aftonbladet, alieztv, antenna, ard_live, ard_mediathek, artetv, atresplayer, azubutv, bambuser, beam, beattv, bigo, bilibili, bliptv, chaturbate, cinergroup, connectcast, crunchyroll, cybergame, dailymotion, dingittv, disney_de, dmcloud, dmcloud_embed, dogan, dogus, dommune, douyutv, dplay, drdk, euronews, expressen, filmon, filmon_us, foxtr, furstream, gaminglive, gomexp, goodgame, hitbox, itvplayer, kanal7, letontv, livecodingtv, livestation, livestream, media_ccc_de, mediaklikk, meerkat, mips, mlgtv, nhkworld, nineanime, nos, npo, nrk, oldlivestream, openrectv, orf_tvthek, pandatv, periscope, picarto, piczel, powerapp, rtlxl, rtve, ruv, seemeplay, servustv, speedrunslive, sportschau, ssh101, stream, streamboat, streamingvideoprovider, streamlive, streamme, streamupcom, svtplay, tga, tigerdile, trt, turkuvaz, tv360, tv3cat, tv4play, tv8, tvcatchup, tvplayer, twitch, ustreamtv, vaughnlive, veetle, vgtv, viagame, viasat, viasat_embed, vidio, wattv, webtv, weeb, younow, youtube, zdf_mediathek\r\n\n", "before_files": [{"content": "import re\n\nfrom streamlink.plugin import Plugin\nfrom streamlink.plugin.api import http\nfrom streamlink.stream import HLSStream\n\nUSER_AGENT = \"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36\"\n_url_re = re.compile(\"http://(?:www\\.)?tvcatchup.com/watch/\\w+\")\n_stream_re = re.compile(r\"\\\"(?P<stream_url>https?://.*m3u8\\?.*clientKey=[^\\\"]*)\\\";\")\n\n\nclass TVCatchup(Plugin):\n    @classmethod\n    def can_handle_url(cls, url):\n        return _url_re.match(url)\n\n    def _get_streams(self):\n        \"\"\"\n        Finds the streams from tvcatchup.com.\n        \"\"\"\n        http.headers.update({\"User-Agent\": USER_AGENT})\n        res = http.get(self.url)\n\n        match = _stream_re.search(res.text, re.IGNORECASE | re.MULTILINE)\n\n        if match:\n            stream_url = match.groupdict()[\"stream_url\"]\n\n            if stream_url:\n                if \"_adp\" in stream_url:\n                    return HLSStream.parse_variant_playlist(self.session, stream_url)\n                else:\n                    return {'576p': HLSStream(self.session, stream_url)}\n\n\n__plugin__ = TVCatchup\n", "path": "src/streamlink/plugins/tvcatchup.py"}]}