# Buggy code
def yield_renderers(self):
    """Use the rect glyphs to display the categorical heatmap.

    Takes reference points from data loaded at the ColumnDataSurce.
    """
    for group in self._data.groupby(**self.attributes):
        glyph = HeatmapGlyph(
            x=group.get_values(self.x.selection),
            y=group.get_values(self.y.selection),
            width=self.bin_width * self.spacing_ratio,
            height=self.bin_height * self.spacing_ratio,
            line_color=group["color"],
            fill_color=group["color"],
        )

        self.add_glyph(group, glyph)

        for renderer in glyph.renderers:
            yield renderer


# Traceback (OverflowError)
Traceback (most recent call last):
File "test.py", line 22, in <module>
hist = Histogram(df, values='values',  legend=True,
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/builder/histogram_builder.py", line 53, in Histogram
return create_and_build(HistogramBuilder, data, **kw)
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/_builder.py", line 64, in create_and_build
chart.add_builder(builder)
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/_chart.py", line 134, in add_builder
builder.create(self)
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/_builder.py", line 303, in create
chart.add_renderers(self, renderers)
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/_chart.py", line 129, in add_renderers
self.renderers += renderers
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/builder/bar_builder.py", line 228, in _yield_renderers
**group_kwargs)
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/glyphs.py", line 469, in __init__
super(HistogramGlyph, self).__init__(**kwargs)
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/_models.py", line 61, in __init__
self.setup()
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/_models.py", line 64, in setup
self.renderers = [renderer for renderer in self.build_renderers()]
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/glyphs.py", line 478, in build_renderers
self.bins = Bins(values=self.values, bin_count=self.bin_count)
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/stats.py", line 164, in __init__
super(Bins, self).__init__(**properties)
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/stats.py", line 23, in __init__
self._refresh()
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/stats.py", line 29, in _refresh
self.calculate()
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/bokeh/charts/stats.py", line 174, in calculate
binned, bin_edges = pd.cut(self.get_data(), self.bin_count, retbins=True, precision=0)
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/pandas/tools/tile.py", line 100, in cut
bins = np.linspace(mn, mx, bins + 1, endpoint=True)
File "/Users/<username>/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/numpy/core/function_base.py", line 84, in linspace
num = int(num)
OverflowError: cannot convert float infinity to integer

# Fixed code
def yield_renderers(self):
    """Use the rect glyphs to display the categorical heatmap.

    Takes reference points from data loaded at the ColumnDataSurce.
    """
    for group in self._data.groupby(**self.attributes):
        glyph = HeatmapGlyph(
            x=group.get_values(self.x.selection),
            y=group.get_values(self.y.selection),
            values=group.get_values(self.values.selection + "_values"),
            width=self.bin_width * self.spacing_ratio,
            height=self.bin_height * self.spacing_ratio,
            line_color=group["color"],
            fill_color=group["color"],
            label=group.label,
        )

        self.add_glyph(group, glyph)

        for renderer in glyph.renderers:
            yield renderer