unable to run examples

[aloctavodia]

I create a fresh environment and I can´t run the examples I get the following message

---

AttributeError Traceback (most recent call last)
Cell In[1], line 2
1 import arviz as az
----> 2 import panel as pn
4 from arviz_dashboard import trace
7 pn.extension()

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/panel/init.py:48
1 """
2 Panel is a high level app and dashboarding framework
3 ====================================================
(...)
46 https://panel.holoviz.org/getting_started/index.html
47 """
---> 48 from . import layout # noqa
49 from . import links # noqa
50 from . import pane # noqa

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/panel/layout/init.py:31
1 """
2 Layout
3 ======
(...)
29 https://panel.holoviz.org/getting_started/index.html
30 """
---> 31 from .accordion import Accordion # noqa
32 from .base import ( # noqa
33 Column, ListLike, ListPanel, Panel, Row, WidgetBox,
34 )
35 from .card import Card # noqa

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/panel/layout/accordion.py:9
5 import param
7 from bokeh.models import Column as BkColumn, CustomJS
----> 9 from .base import NamedListPanel
10 from .card import Card
12 if TYPE_CHECKING:

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/panel/layout/base.py:17
13 import param
15 from bokeh.models import Column as BkColumn, Row as BkRow
---> 17 from ..io.model import hold
18 from ..io.state import state
19 from ..reactive import Reactive

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/panel/io/init.py:13
11 from .logging import panel_logger # noqa
12 from .model import add_to_doc, diff, remove_root # noqa
---> 13 from .notebook import ( # noqa
14 _jupyter_server_extension_paths, block_comm, ipywidget, load_notebook,
15 push, push_notebook,
16 )
17 from .profile import profile # noqa
18 from .resources import Resources # noqa

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/panel/io/notebook.py:39
37 from .embed import embed_state
38 from .model import add_to_doc, diff
---> 39 from .resources import (
40 PANEL_DIR, Bundle, Resources, _env, bundle_resources,
41 )
42 from .state import state
44 if TYPE_CHECKING:

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/panel/io/resources.py:30
27 from jinja2.loaders import FileSystemLoader
28 from markupsafe import Markup
---> 30 from ..config import config
31 from ..util import isurl, url_path
32 from .state import state

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/panel/config.py:486
483 else:
484 _params = _config.param.params()
--> 486 config = _config(**{k: None if p.allow_None else getattr(_config, k)
487 for k, p in _params.items() if k != 'name'})
490 class panel_extension(_pyviz_extension):
491 """
492 Initializes and configures Panel. You should always run pn.extension.
493 This willhttps://stackoverflow.com/questions/71355821/pydantic-attributeerror-config-object-has-no-attribute
(...)
514 will be using the FastListTemplate.
515 """

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/panel/config.py:261, in _config.init(self, **params)
260 def init(self, **params):
--> 261 super().init(**params)
262 self._validating = False
263 for p in self.param:

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/param/parameterized.py:4139, in Parameterized.init(self, **params)
4133 global object_count
4135 # Setting a Parameter value in an init block before calling
4136 # Parameterized.init (via super() generally) already sets the
4137 # _InstancePrivate namespace over the _ClassPrivate namespace
4138 # (see Parameter.set) so we shouldn't override it here.
-> 4139 if not isinstance(self._param__private, _InstancePrivate):
4140 self._param__private = _InstancePrivate(
4141 explicit_no_refs=type(self)._param__private.explicit_no_refs
4142 )
4144 # Skip generating a custom instance name when a class in the hierarchy
4145 # has overriden the default of the name Parameter.

File ~/anaconda3/envs/dashboard/lib/python3.11/site-packages/panel/config.py:348, in _config.getattribute(self, attr)
341 """
342 Ensures that configuration parameters that are defined per
343 session are stored in a per-session dictionary. This is to
344 ensure that even on first access mutable parameters do not
345 end up being modified.
346 """
347 from .io.state import state
--> 348 init = super().getattribute('initialized')
349 global_params = super().getattribute('_globals')
350 if init and not attr.startswith('__'):

AttributeError: '_config' object has no attribute 'initialized'

[ndmlny-qs]

Fascinating, this all looks like third-party errors. Can you share your environment file?

[aloctavodia]

I created a fresh environment without manually specifying any particular version. This is the env file generated from that environment. environment.zip