id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
1107	quickstart tutorial has traceback	Greg Couch	Tom Goddard	"Doing the volume example, after executing:
{{{
   fit #2 in #1
   volume #1 transparency 0.5
}}}
I get:
{{{
Traceback (most recent call last):
  File ""/home/gregc/src/chimerax/ChimeraX.app/lib/python3.6/site-packages/chimerax/ui/gui.py"", line 462, in customEvent
    func(*args, **kw)
  File ""/home/gregc/src/chimerax/ChimeraX.app/lib/python3.6/site-packages/chimerax/ui/widgets/htmlview.py"", line 247, in defer
    cxcmd(session, topic)
  File ""/home/gregc/src/chimerax/ChimeraX.app/lib/python3.6/site-packages/chimerax/ui/widgets/htmlview.py"", line 344, in cxcmd
    ti.execute()
  File ""/home/gregc/src/chimerax/ChimeraX.app/lib/python3.6/site-packages/chimerax/cmd_line/tool.py"", line 205, in execute
    cmd.run(cmd_text)
  File ""/home/gregc/src/chimerax/ChimeraX.app/lib/python3.6/site-packages/chimerax/core/commands/cli.py"", line 2634, in run
    result = ci.function(session, **kw_args)
  File ""/home/gregc/src/chimerax/ChimeraX.app/lib/python3.6/site-packages/chimerax/core/map/volumecommand.py"", line 327, in volume
    apply_volume_options(v, dsettings, rsettings, session)
  File ""/home/gregc/src/chimerax/ChimeraX.app/lib/python3.6/site-packages/chimerax/core/map/volumecommand.py"", line 352, in apply_volume_options
    kw = level_and_color_settings(v, doptions)
  File ""/home/gregc/src/chimerax/ChimeraX.app/lib/python3.6/site-packages/chimerax/core/map/volumecommand.py"", line 495, in level_and_color_settings
    clist = [colors[0].rgba]*len(getattr(v, style + '_levels'))
AttributeError: 'Volume' object has no attribute 'surface_levels'
}}}"	defect	closed	blocker		Volume Data		fixed						all	ChimeraX