Migrate Plotly CSS

panel/models/plotly.ts

@@ -1,3 +1,4 @@
+import type {StyleSheetLike} from "@bokehjs/core/dom"
 import {div} from "@bokehjs/core/dom"
 import type * as p from "@bokehjs/core/properties"
 import {isPlainObject} from "@bokehjs/core/util/types"
@@ -10,6 +11,8 @@ import {deepCopy, get, reshape, throttle} from "./util"
 
 import {HTMLBox, HTMLBoxView, set_size} from "./layout"
 
+import plotly_css from "styles/models/plotly.css"
+
 interface PlotlyHTMLElement extends HTMLDivElement {
  _fullLayout: any
  layout: any
@@ -181,6 +184,10 @@ export class PlotlyPlotView extends HTMLBoxView {
  })
  }
 
+ override stylesheets(): StyleSheetLike[] {
+ return [...super.stylesheets(), plotly_css]
+ }
+
  override remove(): void {
  if (this.container != null) {
  (window as any).Plotly.purge(this.container)

panel/pane/plotly.py

@@ -5,7 +5,7 @@
 from __future__ import annotations
 
 from typing import (
- TYPE_CHECKING, Any, ClassVar, List, Mapping, Optional,
+ TYPE_CHECKING, Any, ClassVar, Mapping, Optional,
 )
 
 import numpy as np
@@ -14,7 +14,6 @@
 from bokeh.models import ColumnDataSource
 from pyviz_comms import JupyterComm
 
-from ..io.resources import CDN_DIST
 from ..util import isdatetime, lazy_load
 from ..viewable import Layoutable
 from .base import ModelPane
@@ -84,10 +83,6 @@ class Plotly(ModelPane):
 
  priority: ClassVar[float | bool | None] = 0.8
 
- _stylesheets: ClassVar[List[str]] = [
- f'{CDN_DIST}css/plotly.css'
- ]
-
  _updates: ClassVar[bool] = True
 
  _rename: ClassVar[Mapping[str, str | None]] = {