title: Python Error- TypeError: '>=' not supported between instances of 'Chain' and 'Chain'
body: <p>When trying to work with Python plugin &quot;Hotspot Analaysis&quot; I see &quot;Python Error&quot;
  This is what loads when looking at the complete error message:</p>
  <pre><code>2022-09-09T10:27:29     WARNING    Traceback (most recent call last):
    File &quot;/Users/sgreen94/Library/Application Support/QGIS/QGIS3/profiles/default/python/plugins/HotspotAnalysis/hotspot_analysis.py&quot;, line 532, in 
    self.dlg.comboBox.currentIndexChanged.connect(lambda: self.load_comboBox())
    File &quot;/Users/sgreen94/Library/Application Support/QGIS/QGIS3/profiles/default/python/plugins/HotspotAnalysis/hotspot_analysis.py&quot;, line 473, in load_comboBox
    thresh = pysal.lib.weights.user.min_threshold_dist_from_shapefile(path)
    File &quot;/Applications/QGIS3.4.app/Contents/MacOS/../Resources/python/pysal/lib/weights/user.py&quot;, line 92, in min_threshold_dist_from_shapefile
    return min_threshold_distance(points, p)
    File &quot;/Applications/QGIS3.4.app/Contents/MacOS/../Resources/python/pysal/lib/weights/util.py&quot;, line 1116, in min_threshold_distance
    kd = KDTree(data)
    File &quot;/Applications/QGIS3.4.app/Contents/MacOS/../Resources/python/scipy/spatial/kdtree.py&quot;, line 239, in __init__
    self.maxes = np.amax(self.data,axis=0)
    File &quot;/Applications/QGIS3.4.app/Contents/MacOS/../Resources/python/numpy/core/fromnumeric.py&quot;, line 2505, in amax
    initial=initial)
    File &quot;/Applications/QGIS3.4.app/Contents/MacOS/../Resources/python/numpy/core/fromnumeric.py&quot;, line 86, in _wrapreduction
    return ufunc.reduce(obj, axis, dtype, out, **passkwargs)
   TypeError: '&gt;=' not supported between instances of 'Chain' and 'Chain'
  </code></pre>
  <p>Any idea what may causing this?</p>