How to set 'index' for Bokeh TimeSeries - bokeh

Question

Bokeh Newbie here finding that some of the learning examples are not working for me. In particular, I'm trying to use TimeSeries as in this example and set an index like so:
t = TimeSeries(dt[dt['type'] == 0][['value', 'date']], index = 'date')
show(t)
This is generating the following lengthy error message (which disappers when I remove index = 'data' above)
---------------------------------------------------------------------------
AttributeError Traceback (most recent call last)
<ipython-input-93-af5f4a3c6c5e> in <module>()
2 print(dt[1:10])
3 dt.set_index('date')
----> 4 t = TimeSeries(dt[dt['type'] == 0][['value', 'date']], index = 'date')
5 show(t)
/Users/anaconda3/lib/python3.5/site-packages/bokeh/charts/builders/timeseries_builder.py in TimeSeries(data, x, y, builder_type, **kws)
100 kws['x'] = x
101 kws['y'] = y
--> 102 return create_and_build(builder_type, data, **kws)
/Users/anaconda3/lib/python3.5/site-packages/bokeh/charts/builder.py in create_and_build(builder_class, *data, **kws)
64 # create a chart to return, since there isn't one already
65 chart_kws = { k:v for k,v in kws.items() if k not in builder_props}
---> 66 chart = Chart(**chart_kws)
67 chart.add_builder(builder)
68 chart.start_plot()
/Users/anaconda3/lib/python3.5/site-packages/bokeh/charts/chart.py in __init__(self, *args, **kwargs)
112 # supported types
113 tools = kwargs.pop('tools', None)
--> 114 super(Chart, self).__init__(*args, **kwargs)
115
116 defaults.apply(self)
/Users/anaconda3/lib/python3.5/site-packages/bokeh/models/plots.py in __init__(self, **kwargs)
76 raise ValueError("Conflicting properties set on plot: background_fill, background_fill_color.")
77
---> 78 super(Plot, self).__init__(**kwargs)
79
80 def select(self, *args, **kwargs):
/Users/anaconda3/lib/python3.5/site-packages/bokeh/model.py in __init__(self, **kwargs)
81 self._id = kwargs.pop("id", make_id())
82 self._document = None
---> 83 super(Model, self).__init__(**kwargs)
84 default_theme.apply_to_model(self)
85
/Users/anaconda3/lib/python3.5/site-packages/bokeh/core/properties.py in __init__(self, **properties)
699
700 for name, value in properties.items():
--> 701 setattr(self, name, value)
702
703 def __setattr__(self, name, value):
/Users/anaconda3/lib/python3.5/site-packages/bokeh/core/properties.py in __setattr__(self, name, value)
720
721 raise AttributeError("unexpected attribute '%s' to %s, %s attributes are %s" %
--> 722 (name, self.__class__.__name__, text, nice_join(matches)))
723
724 def set_from_json(self, name, json, models=None):
AttributeError: unexpected attribute 'index' to Chart, possible attributes are above, background_fill_alpha, background_fill_color, below, border_fill_alpha, border_fill_color, disabled, extra_x_ranges, extra_y_ranges, h_symmetry, hidpi, left, legend, lod_factor, lod_interval, lod_threshold, lod_timeout, logo, min_border, min_border_bottom, min_border_left, min_border_right, min_border_top, name, outline_line_alpha, outline_line_cap, outline_line_color, outline_line_dash, outline_line_dash_offset, outline_line_join, outline_line_width, plot_height, plot_width, renderers, responsive, right, tags, title, title_standoff, title_text_align, title_text_alpha, title_text_baseline, title_text_color, title_text_font, title_text_font_size, title_text_font_style, tool_events, toolbar_location, tools, v_symmetry, webgl, x_mapper_type, x_range, xgrid, xlabel, xscale, y_mapper_type, y_range, ygrid, ylabel or yscale
What is wrong here and how can I fix it? For reference, here's some rows of dt printed out:
value type date index
1 0.55 1 2016-04-12 06:00:00+00:00 1
2 0.55 1 2016-04-12 11:30:00+00:00 2
3 0.55 1 2016-04-12 06:30:00+00:00 3
4 0.55 1 2016-04-12 12:00:00+00:00 4
5 0.55 1 2016-04-12 12:30:00+00:00 5
6 0.55 1 2016-04-12 08:00:00+00:00 6
7 0.55 1 2016-04-12 08:30:00+00:00 7
8 0.55 1 2016-04-13 07:30:00+00:00 8
9 0.55 1 2016-04-12 13:00:00+00:00 9