AstroidSyntaxError when namedtuple has invalid label

[rjthomson]

Steps to reproduce

import collections
a = collections.namedtuple( 'a', ['b c'] )
x = a(b=123, c=456)

Current behavior

% pylint error.py
Using config file /etc/pylintrc
Traceback (most recent call last):
File "/usr/bin/pylint", line 11, in
load_entry_point('pylint==1.9.2', 'console_scripts', 'pylint')()
File "/usr/lib/python2.7/site-packages/pylint/init.py", line 16, in run_pylint
Run(sys.argv[1:])
File "/usr/lib/python2.7/site-packages/pylint/lint.py", line 1347, in init
linter.check(args)
File "/usr/lib/python2.7/site-packages/pylint/lint.py", line 768, in check
self._do_check(files_or_modules)
File "/usr/lib/python2.7/site-packages/pylint/lint.py", line 901, in _do_check
self.check_astroid_module(ast_node, walker, rawcheckers, tokencheckers)
File "/usr/lib/python2.7/site-packages/pylint/lint.py", line 980, in check_astroid_module
walker.walk(ast_node)
File "/usr/lib/python2.7/site-packages/pylint/utils.py", line 1014, in walk
self.walk(child)
File "/usr/lib/python2.7/site-packages/pylint/utils.py", line 1014, in walk
self.walk(child)
File "/usr/lib/python2.7/site-packages/pylint/utils.py", line 1011, in walk
cb(astroid)
File "/usr/lib/python2.7/site-packages/pylint/checkers/base.py", line 1451, in visit_assignname
if isinstance(utils.safe_infer(ass_type.value), astroid.ClassDef):
File "/usr/lib/python2.7/site-packages/backports/functools_lru_cache.py", line 137, in wrapper
result = user_function(*args, **kwds)
File "/usr/lib/python2.7/site-packages/pylint/checkers/utils.py", line 821, in safe_infer
inferit = node.infer(context=context)
File "/usr/lib/python2.7/site-packages/astroid/node_classes.py", line 295, in infer
return self._explicit_inference(self, context, **kwargs)
File "/usr/lib/python2.7/site-packages/astroid/brain/brain_namedtuple_enum.py", line 177, in infer_named_tuple
'replace_args': replace_args})
File "/usr/lib/python2.7/site-packages/astroid/builder.py", line 157, in string_build
module = self._data_build(data, modname, path)
File "/usr/lib/python2.7/site-packages/astroid/builder.py", line 187, in _data_build
source=data, modname=modname, path=path, error=exc))
File "/usr/lib/python2.7/site-packages/astroid/util.py", line 30, in reraise
six.reraise(type(exception), exception, sys.exc_info()[2])
File "/usr/lib/python2.7/site-packages/astroid/builder.py", line 183, in _data_build
node = _parse(data + '\n')
File "/usr/lib/python2.7/site-packages/astroid/builder.py", line 41, in _parse
return compile(string, "", 'exec', _ast.PyCF_ONLY_AST)
astroid.exceptions.AstroidSyntaxError: Parsing Python code failed:
invalid syntax (, line 10)

Expected behavior

No crash, and ideally report the invalid label.

pylint --version output

Using config file /etc/pylintrc
pylint 1.9.2,
astroid 1.6.1
Python 2.7.18 (default, Apr 24 2020, 12:25:53)
[GCC 6.5.0 20181026 (Red Hat 6.5.0-3)]

[PCManticore]

Thanks, should be fixed with the next release.