Not compatible with python-pillow 6.0

[mlmatlock]

OS: Manjaro 18.0.4
Kernel: 5.0.6
pysolfc 2.4.0:
python: 3.7.3
python-pillow: 6.0.0

Problem:

Update to python-pillow (pulled by upgrade to hplip). Starting pysol results with:

`
merell@Jammin1 ~]$ pysol &
[1] 7227
[merell@Jammin1 ~]$ Traceback (most recent call last):
File "/usr/bin/pysol", line 37, in
from pysollib.main import main # noqa: E402
File "/usr/lib/python3.7/site-packages/pysollib/main.py", line 32, in
from pysollib.util import DataLoader
File "/usr/lib/python3.7/site-packages/pysollib/util.py", line 30, in
from pysollib.mfxutil import Image
File "/usr/lib/python3.7/site-packages/pysollib/mfxutil.py", line 54, in
if TOOLKIT == 'tk' and Image and Image.VERSION >= '1.1.7':
AttributeError: module 'PIL.Image' has no attribute 'VERSION'

`
Downgrading python-pillow, and pysol runs correctly.

[shlomif]

@mlmatlock : hi, please try fa20e7f

[mlmatlock]

@shlomif: You rock! fa20e7f fixed this issue! Thanks!

[shlomif]

On Fri, 05 Apr 2019 11:51:31 -0700 mlmatlock ***@***.***> wrote: @shlomif: You rock! fa20e7f fixed this issue! Thanks!

you're welcome and thanks!

…

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[TonyMorehen]

Same issue when loading card sets:
Traceback (most recent call last):
File "/usr/lib/python3.7/site-packages/pysollib/app.py", line 929, in l
oadCardset
if not images.load(app=self, progress=progress):
File "/usr/lib/python3.7/site-packages/pysollib/images.py", line 235, i
n load
self._getHighlight(self._card[0], None, '#3896f8'))
File "/usr/lib/python3.7/site-packages/pysollib/images.py", line 341, i
n _getHighlight
shade = shadowImage(image, color, factor)
File "/usr/lib/python3.7/site-packages/pysollib/ui/tktile/tkutil.py", l
ine 357, in shadowImage
if Image.VERSION >= '1.1.7':
AttributeError: module 'PIL.Image' has no attribute 'VERSION'
Terminated

As a quick and very dirty hack, I changed line 357 in tkutil.py from:
if Image.VERSION >= '1.1.7':
to
if Image: