ENH: Enabled custom function inside bullet chart css properties.

1 job for dev in 54 seconds
Status Job ID Name Coverage
  Test
failed #35780
validate

00:00:54

 
Name Stage Failure
failed
validate Test There is an unknown failure, please try again
    value = f(obj)
File "/opt/conda/lib/python2.7/site-packages/pptx/parts/image.py", line 282, in _pil_props
pil_image = PIL_Image.open(stream)
File "/opt/conda/lib/python2.7/site-packages/PIL/Image.py", line 2452, in open
% (filename if filename else fp))
IOError: cannot identify image file <StringIO.StringIO instance at 0x7fad066dfcb0>
Makefile:20: recipe for target 'tests/template-output.pptx' failed
make: *** [tests/template-output.pptx] Error 1
ERROR: Job failed: exit code 1