`bokeh.plotting.figure()` doesn't like single-quotes in the args.

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ALL software version info (bokeh, python, notebook, OS, browser, any other relevant packages)

λ python --version && ipython --version && jupyter notebook --version && bokeh --version
Python 3.6.6 :: Anaconda, Inc.
6.5.0
5.6.0
0.13.0

Then Windows 10 and firefox for the browser.

Description of expected behavior and the observed behavior

already wrote all this: https://stackoverflow.com/a/52131638/6293857

Complete, minimal, self-contained example code that reproduces the issue

# (In `jupyter notebook`)
from bokeh.io import output_notebook, show
from bokeh.plotting import figure
output_notebook()

p = figure(plot_width=400, plot_height=400)
p.circle([1, 2, 3, 4, 5], [6, 7, 2, 4, 5],
         size=15,
         line_color='navy',
         fill_color='organge',
         fill_alpha=0.5
        )
show(p)

This spits out:

ERROR:bokeh.core.validation.check:E-1001 (BAD_COLUMN_NAME): Glyph refers to nonexistent column name: organge [renderer: GlyphRenderer(id='08fdc635-20f8-474d-b923-e36e40f68628', ...)]

Stack traceback and/or browser JavaScript console output

See above^^

Screenshots or screencasts of the bug in action

Everything is here: https://stackoverflow.com/a/52131638/6293857

[rtruxal]

@bryevdv thank you I take back what I said. ^__^ Just being pissy.

[mattpap]

It would be nice to use difflib to help with such obvious spelling mistakes, similarly to what we do in HasProps.__setattr__().