🕵️ Stack Trace Lineup

import asyncio

async def main():
    asyncio.run(asyncio.sleep(0))

asyncio.run(main())

Traceback (most recent call last):
  File "lineup.py", line 6, in <module>
    asyncio.run(main())
  File "/usr/lib/python3.11/asyncio/runners.py", line 190, in run
    return runner.run(main)
           ~~~~~~~~~~^^^^^^
  File "/usr/lib/python3.11/asyncio/runners.py", line 118, in run
    return self._loop.run_until_complete(task)
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^
  File "/usr/lib/python3.11/asyncio/base_events.py", line 653, in run_until_complete
    return future.result()
           ~~~~~~~~~~~~~^^
  File "lineup.py", line 4, in main
    asyncio.run(asyncio.sleep(0))
    ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
RuntimeError: asyncio.run() cannot be called from a running event loop

import threading

lock = threading.RLock()
lock.release()

Traceback (most recent call last):
  File "lineup.py", line 4, in <module>
    lock.release()
RuntimeError: cannot release un-acquired lock

import asyncio

async def task(): return 1

results = asyncio.gather(task(), task())
print(results)

Traceback (most recent call last):
  File "lineup.py", line 5
    results = asyncio.gather(task(), task())
                                            ^
SyntaxError: 'gather' outside async function

async def fetch():
    return 42

def main():
    await fetch()

main()

  File "lineup.py", line 5
    await fetch()
    ^^^^^^^^^^^^^
SyntaxError: 'await' outside function

import queue

q = queue.Queue()
x = q.get(timeout=0.01)
print(x)

Traceback (most recent call last):
  File "lineup.py", line 4, in <module>
    x = q.get(timeout=0.01)
        ~~~~~^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/queue.py", line 179, in get
    raise Empty
_queue.Empty