yt_dlp/downloader/fc2.py

@@ -18,9 +18,6 @@ class FC2LiveFD(FileDownloader):
         heartbeat_state = [None, 1]
 
         def heartbeat():
-            if heartbeat_state[1] < 0:
-                return
-
             try:
                 heartbeat_state[1] += 1
                 ws.send('{"name":"heartbeat","arguments":{},"id":%d}' % heartbeat_state[1])
@@ -39,8 +36,4 @@ class FC2LiveFD(FileDownloader):
             'ws': None,
             'protocol': 'live_ffmpeg',
         })
-        try:
-            return FFmpegFD(self.ydl, self.params or {}).download(filename, new_info_dict)
-        finally:
-            # stop heartbeating
-            heartbeat_state[1] = -1
+        return FFmpegFD(self.ydl, self.params or {}).download(filename, new_info_dict)

yt_dlp/utils.py

@@ -36,7 +36,6 @@ import tempfile
 import time
 import traceback
 import urllib.parse
-import warnings
 import xml.etree.ElementTree
 import zlib
 
@@ -5222,23 +5221,17 @@ class WebSocketsWrapper():
     pool = None
 
     def __init__(self, url, headers=None, connect=True):
-        self.loop = asyncio.new_event_loop()
-        with warnings.catch_warnings():
-            warnings.simplefilter("ignore")
-            # https://github.com/aaugustin/websockets/blob/9c87d43f1d7bbf6847350087aae74fd35f73a642/src/websockets/legacy/client.py#L480
-            # the reason to keep giving `loop` parameter: we aren't in async function
-            self.conn = websockets.connect(
-                url, extra_headers=headers, ping_interval=None,
-                close_timeout=float('inf'), loop=self.loop, ping_timeout=float('inf'))
+        self.loop = asyncio.events.new_event_loop()
+        self.conn = websockets.connect(
+            url, extra_headers=headers, ping_interval=None,
+            close_timeout=float('inf'), loop=self.loop, ping_timeout=float('inf'))
         if connect:
             self.__enter__()
         atexit.register(self.__exit__, None, None, None)
 
     def __enter__(self):
         if not self.pool:
-            with warnings.catch_warnings():
-                warnings.simplefilter("ignore")
-                self.pool = self.run_with_loop(self.conn.__aenter__(), self.loop)
+            self.pool = self.run_with_loop(self.conn.__aenter__(), self.loop)
         return self
 
     def send(self, *args):
@@ -5258,7 +5251,7 @@ class WebSocketsWrapper():
     # for contributors: If there's any new library using asyncio needs to be run in non-async, move these function out of this class
     @staticmethod
     def run_with_loop(main, loop):
-        if not asyncio.iscoroutine(main):
+        if not asyncio.coroutines.iscoroutine(main):
             raise ValueError(f'a coroutine was expected, got {main!r}')
 
         try: