We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Fox.com.tr not work with Streamlink
## **Checklist**

- [x] This is a bug report.
- [ ] This is a feature request.
- [ ] ] This is a plugin (improvement) request.
- [ ] I have read the contribution guidelines.

##  **Description**

 i cant see anything at fox.com.tr 
 i have test it with this links but i became black screen 

## **Reproduction steps / Explicit stream URLs to test**

https://www.fox.com.tr/canli-yayin

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `src/streamlink/plugins/foxtr.py`
Content:
```
1 from __future__ import print_function
2 import re
3 
4 from streamlink.plugin import Plugin
5 from streamlink.plugin.api import http
6 from streamlink.plugin.api import validate
7 from streamlink.stream import HLSStream
8 
9 
10 class FoxTR(Plugin):
11     """
12     Support for Turkish Fox live stream: http://www.fox.com.tr/canli-yayin
13     """
14     url_re = re.compile(r"https?://www.fox.com.tr/canli-yayin")
15     playervars_re = re.compile(r"desktop\s*:\s*\[\s*\{\s*src\s*:\s*'(.*?)'", re.DOTALL)
16 
17     @classmethod
18     def can_handle_url(cls, url):
19         return cls.url_re.match(url) is not None
20 
21     def _get_streams(self):
22         res = http.get(self.url)
23         match = self.playervars_re.search(res.text)
24         if match:
25             stream_url = match.group(1)
26             return HLSStream.parse_variant_playlist(self.session, stream_url)
27 
28 
29 __plugin__ = FoxTR
30
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/src/streamlink/plugins/foxtr.py b/src/streamlink/plugins/foxtr.py
--- a/src/streamlink/plugins/foxtr.py
+++ b/src/streamlink/plugins/foxtr.py
@@ -12,7 +12,7 @@
     Support for Turkish Fox live stream: http://www.fox.com.tr/canli-yayin
     """
     url_re = re.compile(r"https?://www.fox.com.tr/canli-yayin")
-    playervars_re = re.compile(r"desktop\s*:\s*\[\s*\{\s*src\s*:\s*'(.*?)'", re.DOTALL)
+    playervars_re = re.compile(r"source\s*:\s*\[\s*\{\s*videoSrc\s*:\s*'(.*?)'", re.DOTALL)
 
     @classmethod
     def can_handle_url(cls, url):

{"golden_diff": "diff --git a/src/streamlink/plugins/foxtr.py b/src/streamlink/plugins/foxtr.py\n--- a/src/streamlink/plugins/foxtr.py\n+++ b/src/streamlink/plugins/foxtr.py\n@@ -12,7 +12,7 @@\n     Support for Turkish Fox live stream: http://www.fox.com.tr/canli-yayin\n     \"\"\"\n     url_re = re.compile(r\"https?://www.fox.com.tr/canli-yayin\")\n-    playervars_re = re.compile(r\"desktop\\s*:\\s*\\[\\s*\\{\\s*src\\s*:\\s*'(.*?)'\", re.DOTALL)\n+    playervars_re = re.compile(r\"source\\s*:\\s*\\[\\s*\\{\\s*videoSrc\\s*:\\s*'(.*?)'\", re.DOTALL)\n \n     @classmethod\n     def can_handle_url(cls, url):\n", "issue": "Fox.com.tr not work with Streamlink\n## **Checklist**\r\n\r\n- [x] This is a bug report.\r\n- [ ] This is a feature request.\r\n- [ ] ] This is a plugin (improvement) request.\r\n- [ ] I have read the contribution guidelines.\r\n\r\n##  **Description**\r\n\r\n i cant see anything at fox.com.tr \r\n i have test it with this links but i became black screen \r\n\r\n## **Reproduction steps / Explicit stream URLs to test**\r\n\r\nhttps://www.fox.com.tr/canli-yayin\n", "before_files": [{"content": "from __future__ import print_function\nimport re\n\nfrom streamlink.plugin import Plugin\nfrom streamlink.plugin.api import http\nfrom streamlink.plugin.api import validate\nfrom streamlink.stream import HLSStream\n\n\nclass FoxTR(Plugin):\n    \"\"\"\n    Support for Turkish Fox live stream: http://www.fox.com.tr/canli-yayin\n    \"\"\"\n    url_re = re.compile(r\"https?://www.fox.com.tr/canli-yayin\")\n    playervars_re = re.compile(r\"desktop\\s*:\\s*\\[\\s*\\{\\s*src\\s*:\\s*'(.*?)'\", re.DOTALL)\n\n    @classmethod\n    def can_handle_url(cls, url):\n        return cls.url_re.match(url) is not None\n\n    def _get_streams(self):\n        res = http.get(self.url)\n        match = self.playervars_re.search(res.text)\n        if match:\n            stream_url = match.group(1)\n            return HLSStream.parse_variant_playlist(self.session, stream_url)\n\n\n__plugin__ = FoxTR\n", "path": "src/streamlink/plugins/foxtr.py"}], "after_files": [{"content": "from __future__ import print_function\nimport re\n\nfrom streamlink.plugin import Plugin\nfrom streamlink.plugin.api import http\nfrom streamlink.plugin.api import validate\nfrom streamlink.stream import HLSStream\n\n\nclass FoxTR(Plugin):\n    \"\"\"\n    Support for Turkish Fox live stream: http://www.fox.com.tr/canli-yayin\n    \"\"\"\n    url_re = re.compile(r\"https?://www.fox.com.tr/canli-yayin\")\n    playervars_re = re.compile(r\"source\\s*:\\s*\\[\\s*\\{\\s*videoSrc\\s*:\\s*'(.*?)'\", re.DOTALL)\n\n    @classmethod\n    def can_handle_url(cls, url):\n        return cls.url_re.match(url) is not None\n\n    def _get_streams(self):\n        res = http.get(self.url)\n        match = self.playervars_re.search(res.text)\n        if match:\n            stream_url = match.group(1)\n            return HLSStream.parse_variant_playlist(self.session, stream_url)\n\n\n__plugin__ = FoxTR\n", "path": "src/streamlink/plugins/foxtr.py"}]}