[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

vizro-core/src/vizro/_vizro.py

@@ -1,18 +1,18 @@
 from __future__ import annotations
-import plotly.io as pio
+
 import logging
 import warnings
 from pathlib import Path
 from typing import TYPE_CHECKING, Iterable, List
 
 import dash
 import flask
+import plotly.io as pio
 from flask_caching import SimpleCache
 
 from vizro._constants import STATIC_URL_PREFIX
 from vizro.managers import data_manager, model_manager
 from vizro.models import Dashboard
-from vizro.models.types import _pio_templates_default
 
 logger = logging.getLogger(__name__)
 

vizro-core/src/vizro/models/_components/graph.py

@@ -5,16 +5,13 @@
 from dash.exceptions import MissingCallbackContextException
 from plotly import graph_objects as go
 
-import plotly.io as pio
-
 try:
     from pydantic.v1 import Field, PrivateAttr, validator
 except ImportError:  # pragma: no cov
     from pydantic import Field, PrivateAttr, validator
 
 import pandas as pd
 
-from vizro import _themes as themes
 from vizro.actions._actions_utils import CallbackTriggerDict, _get_component_actions
 from vizro.managers import data_manager, model_manager
 from vizro.managers._model_manager import ModelID

vizro-core/src/vizro/models/_dashboard.py

@@ -1,7 +1,5 @@
 from __future__ import annotations
 
-import plotly.io as pio
-
 import logging
 from functools import partial
 from pathlib import Path

vizro-core/src/vizro/models/types.py

@@ -265,7 +265,6 @@ def _pio_templates_default(default: Literal["vizro_light", "vizro_dark"]):
     If pio.templates.default has already been set to vizro_dark or vizro_light then no change is made to allow a user
     to set these without it being overridden.
     """
-
     old_default = pio.templates.default
     template_changed = False
     # If the user has set pio.templates.default to a vizro theme already, no need to change it.