prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Replace `@$(...)` with `@$el.find(...)`
  Unnecessary alias. Often people forget that `@$(...) != $(...)`.
  
  </issue>
  <code>
  [start of sphinx/source/docs/user_guide/examples/extensions_putting_together.py]
  1 from bokeh.core.properties import String, Instance
  2 from bokeh.models import LayoutDOM, Slider
  3 
  4 CODE ="""
  5 import * as _ from "underscore"
  6 import * as $ from "jquery"
  7 
  8 import * as p from "core/properties"
  9 import {LayoutDOM, LayoutDOMView} from "models/layouts/layout_dom"
  10 
  11 export class CustomView extends LayoutDOMView
  12 
  13   initialize: (options) ->
  14     super(options)
  15 
  16     @render()
  17 
  18     # Set Backbone listener so that when the Bokeh slider has a change
  19     # event, we can process the new data
  20     @listenTo(@model.slider, 'change', () => @render())
  21 
  22   render: () ->
  23     # Backbone Views create <div> elements by default, accessible as @$el.
  24     # Many Bokeh views ignore this default <div>, and instead do things
  25     # like draw to the HTML canvas. In this case though, we change the
  26     # contents of the <div>, based on the current slider value.
  27     @$el.html("<h1>#{ @model.text }: #{ @model.slider.value }</h1>")
  28     @$('h1').css({ 'color': '#686d8e', 'background-color': '#2a3153' })
  29 
  30 export class Custom extends LayoutDOM
  31 
  32   # If there is an associated view, this is boilerplate.
  33   default_view: CustomView
  34 
  35   # The ``type`` class attribute should generally match exactly the name
  36   # of the corresponding Python class.
  37   type: "Custom"
  38 
  39   # The @define block adds corresponding "properties" to the JS model. These
  40   # should basically line up 1-1 with the Python model class. Most property
  41   # types have counterparts, e.g. bokeh.core.properties.String will be
  42   # p.String in the JS implementation. Where the JS type system is not yet
  43   # as rich, you can use p.Any as a "wildcard" property type.
  44   @define {
  45     text:   [ p.String ]
  46     slider: [ p.Any    ]
  47   }
  48 """
  49 
  50 class Custom(LayoutDOM):
  51 
  52     __implementation__ = CODE
  53 
  54     text = String(default="Custom text")
  55 
  56     slider = Instance(Slider)
  57 
  58 from bokeh.io import show
  59 
  60 from bokeh.layouts import column
  61 from bokeh.models import Slider
  62 
  63 slider = Slider(start=0, end=10, step=0.1, value=0, title="value")
  64 
  65 custom = Custom(text="Special Slider Display", slider=slider)
  66 
  67 layout = column(slider, custom)
  68 
  69 show(layout)
  70
  [end of sphinx/source/docs/user_guide/examples/extensions_putting_together.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/sphinx/source/docs/user_guide/examples/extensions_putting_together.py b/sphinx/source/docs/user_guide/examples/extensions_putting_together.py
  --- a/sphinx/source/docs/user_guide/examples/extensions_putting_together.py
  +++ b/sphinx/source/docs/user_guide/examples/extensions_putting_together.py
  @@ -25,7 +25,7 @@
       # like draw to the HTML canvas. In this case though, we change the
       # contents of the <div>, based on the current slider value.
       @$el.html("<h1>#{ @model.text }: #{ @model.slider.value }</h1>")
  -    @$('h1').css({ 'color': '#686d8e', 'background-color': '#2a3153' })
  +    @$el.find('h1').css({ 'color': '#686d8e', 'background-color': '#2a3153' })
   
   export class Custom extends LayoutDOM
  
verification_info: {"golden_diff": "diff --git a/sphinx/source/docs/user_guide/examples/extensions_putting_together.py b/sphinx/source/docs/user_guide/examples/extensions_putting_together.py\n--- a/sphinx/source/docs/user_guide/examples/extensions_putting_together.py\n+++ b/sphinx/source/docs/user_guide/examples/extensions_putting_together.py\n@@ -25,7 +25,7 @@\n     # like draw to the HTML canvas. In this case though, we change the\n     # contents of the <div>, based on the current slider value.\n     @$el.html(\"<h1>#{ @model.text }: #{ @model.slider.value }</h1>\")\n-    @$('h1').css({ 'color': '#686d8e', 'background-color': '#2a3153' })\n+    @$el.find('h1').css({ 'color': '#686d8e', 'background-color': '#2a3153' })\n \n export class Custom extends LayoutDOM\n", "issue": "Replace `@$(...)` with `@$el.find(...)`\nUnnecessary alias. Often people forget that `@$(...) != $(...)`.\n", "before_files": [{"content": "from bokeh.core.properties import String, Instance\nfrom bokeh.models import LayoutDOM, Slider\n\nCODE =\"\"\"\nimport * as _ from \"underscore\"\nimport * as $ from \"jquery\"\n\nimport * as p from \"core/properties\"\nimport {LayoutDOM, LayoutDOMView} from \"models/layouts/layout_dom\"\n\nexport class CustomView extends LayoutDOMView\n\n  initialize: (options) ->\n    super(options)\n\n    @render()\n\n    # Set Backbone listener so that when the Bokeh slider has a change\n    # event, we can process the new data\n    @listenTo(@model.slider, 'change', () => @render())\n\n  render: () ->\n    # Backbone Views create <div> elements by default, accessible as @$el.\n    # Many Bokeh views ignore this default <div>, and instead do things\n    # like draw to the HTML canvas. In this case though, we change the\n    # contents of the <div>, based on the current slider value.\n    @$el.html(\"<h1>#{ @model.text }: #{ @model.slider.value }</h1>\")\n    @$('h1').css({ 'color': '#686d8e', 'background-color': '#2a3153' })\n\nexport class Custom extends LayoutDOM\n\n  # If there is an associated view, this is boilerplate.\n  default_view: CustomView\n\n  # The ``type`` class attribute should generally match exactly the name\n  # of the corresponding Python class.\n  type: \"Custom\"\n\n  # The @define block adds corresponding \"properties\" to the JS model. These\n  # should basically line up 1-1 with the Python model class. Most property\n  # types have counterparts, e.g. bokeh.core.properties.String will be\n  # p.String in the JS implementation. Where the JS type system is not yet\n  # as rich, you can use p.Any as a \"wildcard\" property type.\n  @define {\n    text:   [ p.String ]\n    slider: [ p.Any    ]\n  }\n\"\"\"\n\nclass Custom(LayoutDOM):\n\n    __implementation__ = CODE\n\n    text = String(default=\"Custom text\")\n\n    slider = Instance(Slider)\n\nfrom bokeh.io import show\n\nfrom bokeh.layouts import column\nfrom bokeh.models import Slider\n\nslider = Slider(start=0, end=10, step=0.1, value=0, title=\"value\")\n\ncustom = Custom(text=\"Special Slider Display\", slider=slider)\n\nlayout = column(slider, custom)\n\nshow(layout)\n", "path": "sphinx/source/docs/user_guide/examples/extensions_putting_together.py"}]}