tablib dependency missed in python-cliff-tablib

[Dmitry Teselkin]

cliff-tablib requires tablib package according to [1]
The package python-cliff-tablib in 8.0 [2] doesn't contain this dependency, and this causes errors during ISO build

---
Installing: python-fuelclient ##################### [416/610]Could not load 'yaml': No module named tablib
No module named tablib
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/stevedore/extension.py", line 162, in _load_plugins
    verify_requirements,
  File "/usr/lib/python2.7/site-packages/stevedore/extension.py", line 183, in _load_one_plugin
    plugin = ep.resolve()
  File "/usr/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2361, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/usr/lib/python2.7/site-packages/clifftablib/formatters.py", line 6, in <module>
    import tablib
ImportError: No module named tablib
Could not load 'json': No module named tablib
No module named tablib
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/stevedore/extension.py", line 162, in _load_plugins
    verify_requirements,
  File "/usr/lib/python2.7/site-packages/stevedore/extension.py", line 183, in _load_one_plugin
    plugin = ep.resolve()
  File "/usr/lib/python2.7/site-packages/pkg_resources/__init__.py", line 2361, in resolve
    module = __import__(self.module_name, fromlist=['__name__'], level=0)
  File "/usr/lib/python2.7/site-packages/clifftablib/formatters.py", line 6, in <module>
    import tablib
---

[1] https://github.com/dreamhost/cliff-tablib/blob/master/setup.py#L18-L20
[2] https://review.fuel-infra.org/gitweb?p=packages/centos7/python-cliff-tablib.git;a=blob;f=python-cliff-tablib.spec;h=eec29be67cd60148536ee1367dbfdf65018baf6c;hb=55419499db61162f4b4c1772522cf125f690603a

[Timur Nurlygayanov (tnurlygayanov)]

Python-fuel-client works fine, it looks like the issue was successfully fixed.