AttributeError: 'Subscript' object has no attribute 'name'

[tiran]

pylint master fails with AttributeError: 'Subscript' object has no attribute 'name':

  ...
  File ".tox/pylint37/lib/python3.7/site-packages/pylint/utils.py", line 1149, in walk
    cb(astroid)
  File "tox/pylint37/lib/python3.7/site-packages/pylint/checkers/refactoring.py", line 747, in visit_augassign
    self._check_consider_using_join(node)
  File ".tox/pylint37/lib/python3.7/site-packages/pylint/checkers/refactoring.py", line 732, in _check_consider_using_join
    result_assign_names = {target.name for target in assign.targets}
  File ".tox/pylint37/lib/python3.7/site-packages/pylint/checkers/refactoring.py", line 732, in <setcomp>
    result_assign_names = {target.name for target in assign.targets}
AttributeError: 'Subscript' object has no attribute 'name'

The offending code line is https://github.com/tiran/freeipa/blob/pylint2/ipaserver/plugins/migration.py#L806

(Pdb) p vars(assign)
{'lineno': 806, 'col_offset': 12, 'parent': <For l.745 at 0x7f3b0de03198>, 'targets': [<Subscript l.806 at 0x7f3b0de14a90>], 'value': <Const.int l.806 at 0x7f3b0de14a58>, 'type_annotation': None, 'fromlineno': 806, 'tolineno': 806}
(Pdb) p vars(assign.targets[0])
{'ctx': <Context.Store: 2>, 'lineno': 806, 'col_offset': 12, 'parent': <Assign l.806 at 0x7f3b0de14a20>, 'value': <Name.context l.806 at 0x7f3b0de14ac8>, 'slice': <Index l.806 at 0x7f3b0de14b00>, 'fromlineno': 806, 'tolineno': 806}

Steps to reproduce

1. git clone pylint2 branch from https://github.com/tiran/freeipa/tree/pylint2
2. run tox -e pylint37

pylint --version output

pylint 2.0.0.dev1
astroid 2.0.0.dev3
Python 3.7.0rc1 (default, Jun 12 2018, 12:42:02) 

[PCManticore]

Thanks for the report, should be fixed in master!