title: How to fix error running local Otsu threshold example?
body: <p>I am very new to Python. I am trying to run this script:</p>
  <p><a href="https://scikit-image.org/docs/0.12.x/auto_examples/segmentation/plot_local_otsu.html" rel="nofollow noreferrer">https://scikit-image.org/docs/0.12.x/auto_examples/segmentation/plot_local_otsu.html</a></p>
  <p>But, I'm getting this error:</p>
  <pre class="lang-none prettyprint-override"><code>Traceback (most recent call last):
  File &quot;/Users/janine/Downloads/plot_local_otsu.py&quot;, line 37, in &lt;module&gt;
    fig, ax = plt.subplots(2, 2, figsize=(8, 5), sharex=True, sharey=True,
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/_api/deprecation.py&quot;, line 471, in wrapper
    return func(*args, **kwargs)
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/pyplot.py&quot;, line 1440, in subplots
    axs = fig.subplots(nrows=nrows, ncols=ncols, sharex=sharex, sharey=sharey,
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/_api/deprecation.py&quot;, line 471, in wrapper
    return func(*args, **kwargs)
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/figure.py&quot;, line 908, in subplots
    axs = gs.subplots(sharex=sharex, sharey=sharey, squeeze=squeeze,
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/gridspec.py&quot;, line 307, in subplots
    axarr[row, col] = figure.add_subplot(
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/figure.py&quot;, line 781, in add_subplot
    ax = subplot_class_factory(projection_class)(self, *args, **pkw)
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/axes/_subplots.py&quot;, line 36, in __init__
    self._axes_class.__init__(self, fig, [0, 0, 1, 1], **kwargs)
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/_api/deprecation.py&quot;, line 471, in wrapper
    return func(*args, **kwargs)
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/axes/_base.py&quot;, line 648, in __init__
    self.update(kwargs)
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/artist.py&quot;, line 1064, in update
    ret.append(func(v))
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/axes/_base.py&quot;, line 1531, in set_adjustable
    _api.check_in_list([&quot;box&quot;, &quot;datalim&quot;], adjustable=adjustable)
  File &quot;/usr/local/lib/python3.9/site-packages/matplotlib/_api/__init__.py&quot;, line 126, in check_in_list
    raise ValueError(
      ValueError: 'box-forced' is not a valid value for adjustable; supported values are 'box', 'datalim'
  </code></pre>
  <p>I have installed <code>scikit-image</code> exactly as recommended here:</p>
  <p><a href="https://scikit-image.org/docs/stable/install.html" rel="nofollow noreferrer">https://scikit-image.org/docs/stable/install.html</a>.</p>
  <p>I am on macOS Mojave.</p>