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Example Python program History.py
Code

Python example
[17/04/2019 15:14] INFO manager maybe_download_lavalink 161: Downloading Lavalink.jar
Heartbeat blocked for more than 5 seconds.
Unexpected exception in keepalive ping task
Traceback (most recent call last):
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\websockets\protocol.py", line 989, in keepalive_ping
    ping_waiter, self.ping_timeout, loop=self.loop
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\asyncio\tasks.py", line 416, in wait_for
    return fut.result()
websockets.exceptions.ConnectionClosed: WebSocket connection is closed: code = 1006 (connection closed abnormally [internal]), no reason
Attempting a reconnect in 0.96s
Traceback (most recent call last):
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\discord\gateway.py", line 483, in poll_event
    msg = await self.recv()
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\websockets\protocol.py", line 434, in recv
    yield from self.ensure_open()
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\websockets\protocol.py", line 646, in ensure_open
    ) from self.transfer_data_exc
websockets.exceptions.ConnectionClosed: WebSocket connection is closed: code = 1000 (OK), no reason

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\discord\client.py", line 410, in connect
    await self._connect()
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\discord\shard.py", line 284, in _connect
    f.result()
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\discord\shard.py", line 78, in poll
    await self.ws.poll_event()
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\discord\gateway.py", line 493, in poll_event
    raise ConnectionClosed(exc, shard_id=self.shard_id) from exc
discord.errors.ConnectionClosed: WebSocket connection is closed: code = 1000 (OK), no reason
[17/04/2019 15:17] INFO manager maybe_download_lavalink 161: Downloading Lavalink.jar
[17/04/2019 15:17] INFO manager maybe_download_lavalink 161: Downloading Lavalink.jar
[17/04/2019 15:17] INFO manager maybe_download_lavalink 161: Downloading Lavalink.jar
Shard ID 0 has stopped responding to the gateway. Closing and restarting.
[17/04/2019 15:22] ERROR core_commands _load 108: Package loading failed
Traceback (most recent call last):
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\core\core_commands.py", line 104, in _load
    await bot.load_extension(spec)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\core\bot.py", line 239, in load_extension
    await lib.setup(self)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\__init__.py", line 26, in setup
    await maybe_download_lavalink(bot.loop, cog)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\manager.py", line 164, in maybe_download_lavalink
    await download_lavalink(session)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\manager.py", line 148, in download_lavalink
    chunk = await resp.content.read(512)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\streams.py", line 369, in read
    await self._wait('read')
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\streams.py", line 297, in _wait
    await waiter
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\helpers.py", line 585, in __exit__
    raise asyncio.TimeoutError from None
concurrent.futures._base.TimeoutError
Heartbeat blocked for more than 5 seconds.
[17/04/2019 15:23] ERROR core_commands _load 108: Package loading failed
Traceback (most recent call last):
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\core\core_commands.py", line 104, in _load
    await bot.load_extension(spec)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\core\bot.py", line 239, in load_extension
    await lib.setup(self)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\__init__.py", line 26, in setup
    await maybe_download_lavalink(bot.loop, cog)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\manager.py", line 164, in maybe_download_lavalink
    await download_lavalink(session)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\manager.py", line 148, in download_lavalink
    chunk = await resp.content.read(512)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\streams.py", line 369, in read
    await self._wait('read')
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\streams.py", line 297, in _wait
    await waiter
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\helpers.py", line 585, in __exit__
    raise asyncio.TimeoutError from None
concurrent.futures._base.TimeoutError
[17/04/2019 15:23] ERROR core_commands _load 108: Package loading failed
Traceback (most recent call last):
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\core\core_commands.py", line 104, in _load
    await bot.load_extension(spec)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\core\bot.py", line 239, in load_extension
    await lib.setup(self)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\__init__.py", line 26, in setup
    await maybe_download_lavalink(bot.loop, cog)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\manager.py", line 164, in maybe_download_lavalink
    await download_lavalink(session)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\manager.py", line 148, in download_lavalink
    chunk = await resp.content.read(512)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\streams.py", line 369, in read
    await self._wait('read')
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\streams.py", line 297, in _wait
    await waiter
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\helpers.py", line 585, in __exit__
    raise asyncio.TimeoutError from None
concurrent.futures._base.TimeoutError
[17/04/2019 15:23] ERROR core_commands _load 108: Package loading failed
Traceback (most recent call last):
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\core\core_commands.py", line 104, in _load
    await bot.load_extension(spec)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\core\bot.py", line 239, in load_extension
    await lib.setup(self)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\__init__.py", line 26, in setup
    await maybe_download_lavalink(bot.loop, cog)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\manager.py", line 164, in maybe_download_lavalink
    await download_lavalink(session)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\redbot\cogs\audio\manager.py", line 148, in download_lavalink
    chunk = await resp.content.read(512)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\streams.py", line 369, in read
    await self._wait('read')
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\streams.py", line 297, in _wait
    await waiter
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\site-packages\aiohttp\helpers.py", line 585, in __exit__
    raise asyncio.TimeoutError from None
concurrent.futures._base.TimeoutError
Shard ID 0 has stopped responding to the gateway. Closing and restarting.
Fatal read error on pipe transport
protocol: <asyncio.sslproto.SSLProtocol object at 0x00000210C30CA6D8>
transport: <_ProactorSocketTransport fd=924>
Traceback (most recent call last):
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\asyncio\proactor_events.py", line 255, in _loop_reading
    data = fut.result()
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\asyncio\windows_events.py", line 744, in _poll
    value = callback(transferred, key, ov)
  File "C:\Users\RAJ\AppData\Local\Programs\Python\Python37\lib\asyncio\windows_events.py", line 435, in finish_recv
    return ov.getresult()
OSError: [WinError 121] The semaphore timeout period has expired
Heartbeat blocked for more than 5 seconds.
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