asyncio error on importing config with IPython

ALL software version info

OS: Linux, Pop!_OS 22.04 LTS x86_64. Ubuntu variant
Python: 3.9.18
IPython: 8.18.1 (latest minor version compatible with python 3.9)
panel: 1.3.8
bokeh: 3.3.4

Description of expected behavior and the observed behavior

Expected: importing panel.config will work in IPython environment
Actual: RuntimeError: There is no current event loop in 'MainThread'. Relevant SO post

Complete, minimal, self-contained example code that reproduces the issue

from panel import config

Stack traceback and/or browser JavaScript console output

Run in python

```python Python 3.9.18 | packaged by conda-forge | (main, Aug 30 2023, 03:49:32) [GCC 12.3.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> from panel import config >>> config _config(_admin=False, _admin_endpoint=None, _admin_log_level='DEBUG', _basic_auth=None, _comms='default', _console_output=None, _cookie_secret=None, _embed=None, _embed_json=False, _embed_json_prefix='', _embed_load_path=None, _embed_save_path='./', _inline=None, _log_level='WARNING', _npm_cdn='https://cdn.jsdelivr.net/npm', _nthreads=None, _oauth_encryption_key=None, _oauth_expiry=1, _oauth_extra_params={}, _oauth_guest_endpoints=None, _oauth_jwt_user=None, _oauth_key=None, _oauth_optional=False, _oauth_provider=None, _oauth_redirect_uri=None, _oauth_refresh_tokens=False, _oauth_secret=None, _theme=None, admin_plugins=[], apply_signatures=True, auth_template=None, authorize_callback=None, autoreload=False, basic_auth_template=None, browser_info=True, css_files=[], defer_load=False, design=None, disconnect_notification='', exception_handler=None, global_css=[], global_loading_spinner=False, js_files={}, js_modules={}, layout_compatibility='warn', load_entry_points=True, loading_color='#c3c3c3', loading_indicator=False, loading_max_height=400, loading_spinner='arc', name='_config00003', notifications=False, profiler=None, raw_css=[], ready_notification='', reuse_sessions=False, safe_embed=False, session_history=0, session_key_func=None, sizing_mode=None, template=None, throttled=False) ```

Run in IPython

```python I [1]: from panel import config --------------------------------------------------------------------------- RuntimeError Traceback (most recent call last) Cell In[1], line 1 ----> 1 from panel import config File ~/miniconda3/envs/temp_p_0207/lib/python3.9/site-packages/panel/__init__.py:50 1 """ 2 Panel is a high level app and dashboarding framework 3 ==================================================== (...) 46 https://panel.holoviz.org/getting_started/index.html 47 """ 48 from param import rx ---> 50 from . import chat # noqa 51 from . import layout # noqa 52 from . import links # noqa File ~/miniconda3/envs/temp_p_0207/lib/python3.9/site-packages/panel/chat/__init__.py:33 1 """ 2 Panel chat makes creating chat components easy 3 ============================================================== (...) 29 https://panel.holoviz.org/reference/chat/ChatInterface.html 30 """ 31 import importlib as _importlib ---> 33 from .feed import ChatFeed # noqa 34 from .icon import ChatReactionIcons # noqa 35 from .interface import ChatInterface # noqa File ~/miniconda3/envs/temp_p_0207/lib/python3.9/site-packages/panel/chat/feed.py:25 22 import param 24 from .._param import Margin ---> 25 from ..io.resources import CDN_DIST 26 from ..layout import Column, ListPanel 27 from ..layout.card import Card File ~/miniconda3/envs/temp_p_0207/lib/python3.9/site-packages/panel/io/__init__.py:9 7 from .cache import cache # noqa 8 from .callbacks import PeriodicCallback # noqa ----> 9 from .document import ( # noqa 10 hold, immediate_dispatch, init_doc, unlocked, with_lock, 11 ) 12 from .embed import embed_state # noqa 13 from .logging import panel_logger # noqa File ~/miniconda3/envs/temp_p_0207/lib/python3.9/site-packages/panel/io/document.py:47 41 DISPATCH_EVENTS = ( 42 ColumnDataChangedEvent, ColumnsPatchedEvent, ColumnsStreamedEvent, 43 ModelChangedEvent 44 ) 46 WRITE_TASKS = [] ---> 47 WRITE_LOCK = asyncio.Lock() 49 @dataclasses.dataclass 50 class Request: 51 headers : dict File ~/miniconda3/envs/temp_p_0207/lib/python3.9/asyncio/locks.py:81, in Lock.__init__(self, loop) 79 self._locked = False 80 if loop is None: ---> 81 self._loop = events.get_event_loop() 82 else: 83 self._loop = loop File ~/miniconda3/envs/temp_p_0207/lib/python3.9/asyncio/events.py:642, in BaseDefaultEventLoopPolicy.get_event_loop(self) 639 self.set_event_loop(self.new_event_loop()) 641 if self._local._loop is None: --> 642 raise RuntimeError('There is no current event loop in thread %r.' 643 % threading.current_thread().name) 645 return self._local._loop RuntimeError: There is no current event loop in thread 'MainThread'. ```

Screenshots or screencasts of the bug in action

n/a

Contribution

[X] I may be interested in making a pull request to address this

I would take the approach recommended in the SO post linked above

For now, our team will be pinning to an older version: panel<=1.3.4

holoviz / panel