We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Typo in range_tool example
There is a small typo "range_rool" in the range_tool.py example. I would like to use this issue to create my first pull request and see how the process works.

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `examples/plotting/file/range_tool.py`
Content:
```
1 import numpy as np
2 
3 from bokeh.io import show
4 from bokeh.layouts import column
5 from bokeh.models import ColumnDataSource, RangeTool
6 from bokeh.plotting import figure
7 from bokeh.sampledata.stocks import AAPL
8 
9 dates = np.array(AAPL['date'], dtype=np.datetime64)
10 source = ColumnDataSource(data=dict(date=dates, close=AAPL['adj_close']))
11 
12 p = figure(plot_height=300, plot_width=800, tools="", toolbar_location=None,
13            x_axis_type="datetime", x_axis_location="above",
14            background_fill_color="#efefef", x_range=(dates[1500], dates[2500]))
15 
16 p.line('date', 'close', source=source)
17 p.yaxis.axis_label = 'Price'
18 
19 select = figure(title="Drag the middle and edges of the selection box to change the range above",
20                 plot_height=130, plot_width=800, y_range=p.y_range,
21                 x_axis_type="datetime", y_axis_type=None,
22                 tools="", toolbar_location=None, background_fill_color="#efefef")
23 
24 range_rool = RangeTool(x_range=p.x_range)
25 range_rool.overlay.fill_color = "navy"
26 range_rool.overlay.fill_alpha = 0.2
27 
28 select.line('date', 'close', source=source)
29 select.ygrid.grid_line_color = None
30 select.add_tools(range_rool)
31 select.toolbar.active_multi = range_rool
32 
33 show(column(p, select))
34
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/examples/plotting/file/range_tool.py b/examples/plotting/file/range_tool.py
--- a/examples/plotting/file/range_tool.py
+++ b/examples/plotting/file/range_tool.py
@@ -21,13 +21,13 @@
                 x_axis_type="datetime", y_axis_type=None,
                 tools="", toolbar_location=None, background_fill_color="#efefef")
 
-range_rool = RangeTool(x_range=p.x_range)
-range_rool.overlay.fill_color = "navy"
-range_rool.overlay.fill_alpha = 0.2
+range_tool = RangeTool(x_range=p.x_range)
+range_tool.overlay.fill_color = "navy"
+range_tool.overlay.fill_alpha = 0.2
 
 select.line('date', 'close', source=source)
 select.ygrid.grid_line_color = None
-select.add_tools(range_rool)
-select.toolbar.active_multi = range_rool
+select.add_tools(range_tool)
+select.toolbar.active_multi = range_tool
 
 show(column(p, select))

{"golden_diff": "diff --git a/examples/plotting/file/range_tool.py b/examples/plotting/file/range_tool.py\n--- a/examples/plotting/file/range_tool.py\n+++ b/examples/plotting/file/range_tool.py\n@@ -21,13 +21,13 @@\n                 x_axis_type=\"datetime\", y_axis_type=None,\n                 tools=\"\", toolbar_location=None, background_fill_color=\"#efefef\")\n \n-range_rool = RangeTool(x_range=p.x_range)\n-range_rool.overlay.fill_color = \"navy\"\n-range_rool.overlay.fill_alpha = 0.2\n+range_tool = RangeTool(x_range=p.x_range)\n+range_tool.overlay.fill_color = \"navy\"\n+range_tool.overlay.fill_alpha = 0.2\n \n select.line('date', 'close', source=source)\n select.ygrid.grid_line_color = None\n-select.add_tools(range_rool)\n-select.toolbar.active_multi = range_rool\n+select.add_tools(range_tool)\n+select.toolbar.active_multi = range_tool\n \n show(column(p, select))\n", "issue": "Typo in range_tool example\nThere is a small typo \"range_rool\" in the range_tool.py example. I would like to use this issue to create my first pull request and see how the process works.\n", "before_files": [{"content": "import numpy as np\n\nfrom bokeh.io import show\nfrom bokeh.layouts import column\nfrom bokeh.models import ColumnDataSource, RangeTool\nfrom bokeh.plotting import figure\nfrom bokeh.sampledata.stocks import AAPL\n\ndates = np.array(AAPL['date'], dtype=np.datetime64)\nsource = ColumnDataSource(data=dict(date=dates, close=AAPL['adj_close']))\n\np = figure(plot_height=300, plot_width=800, tools=\"\", toolbar_location=None,\n           x_axis_type=\"datetime\", x_axis_location=\"above\",\n           background_fill_color=\"#efefef\", x_range=(dates[1500], dates[2500]))\n\np.line('date', 'close', source=source)\np.yaxis.axis_label = 'Price'\n\nselect = figure(title=\"Drag the middle and edges of the selection box to change the range above\",\n                plot_height=130, plot_width=800, y_range=p.y_range,\n                x_axis_type=\"datetime\", y_axis_type=None,\n                tools=\"\", toolbar_location=None, background_fill_color=\"#efefef\")\n\nrange_rool = RangeTool(x_range=p.x_range)\nrange_rool.overlay.fill_color = \"navy\"\nrange_rool.overlay.fill_alpha = 0.2\n\nselect.line('date', 'close', source=source)\nselect.ygrid.grid_line_color = None\nselect.add_tools(range_rool)\nselect.toolbar.active_multi = range_rool\n\nshow(column(p, select))\n", "path": "examples/plotting/file/range_tool.py"}], "after_files": [{"content": "import numpy as np\n\nfrom bokeh.io import show\nfrom bokeh.layouts import column\nfrom bokeh.models import ColumnDataSource, RangeTool\nfrom bokeh.plotting import figure\nfrom bokeh.sampledata.stocks import AAPL\n\ndates = np.array(AAPL['date'], dtype=np.datetime64)\nsource = ColumnDataSource(data=dict(date=dates, close=AAPL['adj_close']))\n\np = figure(plot_height=300, plot_width=800, tools=\"\", toolbar_location=None,\n           x_axis_type=\"datetime\", x_axis_location=\"above\",\n           background_fill_color=\"#efefef\", x_range=(dates[1500], dates[2500]))\n\np.line('date', 'close', source=source)\np.yaxis.axis_label = 'Price'\n\nselect = figure(title=\"Drag the middle and edges of the selection box to change the range above\",\n                plot_height=130, plot_width=800, y_range=p.y_range,\n                x_axis_type=\"datetime\", y_axis_type=None,\n                tools=\"\", toolbar_location=None, background_fill_color=\"#efefef\")\n\nrange_tool = RangeTool(x_range=p.x_range)\nrange_tool.overlay.fill_color = \"navy\"\nrange_tool.overlay.fill_alpha = 0.2\n\nselect.line('date', 'close', source=source)\nselect.ygrid.grid_line_color = None\nselect.add_tools(range_tool)\nselect.toolbar.active_multi = range_tool\n\nshow(column(p, select))\n", "path": "examples/plotting/file/range_tool.py"}]}