logilab-astng #22973 pylint crashes due to astng problem with child_sequence [validation pending]

I am using pylint to verify my code. Pylint will analyze most of my scripts successfully, but one causes pylint to fail. Here is the traceback output:
Traceback (most recent call last):
File "/appl/bwc/local/bin/pylint", line 5, in ?
pkg_resources.run_script('pylint==0.20.0', 'pylint')
File "/appl/bwc/local/lib/python2.4/site-packages/setuptools-0.6c11-py2.4.egg/pkg_resources.py", line 489, in run_script
self.require(requires)[0].run_script(script_name, ns)
File "/appl/bwc/local/lib/python2.4/site-packages/setuptools-0.6c11-py2.4.egg/pkg_resources.py", line 1207, in run_script
execfile(script_filename, namespace, namespace)
File "/appl/bwc/local/lib/python2.4/site-packages/pylint-0.20.0-py2.4.egg/EGG-INFO/scripts/pylint", line 4, in ?
lint.Run(sys.argv[1:])
File "/appl/bwc/local/lib/python2.4/site-packages/pylint-0.20.0-py2.4.egg/pylint/lint.py", line 885, in __init__
linter.check(args)
File "/appl/bwc/local/lib/python2.4/site-packages/pylint-0.20.0-py2.4.egg/pylint/lint.py", line 496, in check
self.check_astng_module(astng, checkers)
File "/appl/bwc/local/lib/python2.4/site-packages/pylint-0.20.0-py2.4.egg/pylint/lint.py", line 572, in check_astng_module
self.astng_events(astng, [checker for checker in checkers
File "/appl/bwc/local/lib/python2.4/site-packages/pylint-0.20.0-py2.4.egg/pylint/lint.py", line 590, in astng_events
self.astng_events(child, checkers, _reversed_checkers)
File "/appl/bwc/local/lib/python2.4/site-packages/pylint-0.20.0-py2.4.egg/pylint/lint.py", line 590, in astng_events
self.astng_events(child, checkers, _reversed_checkers)
File "/appl/bwc/local/lib/python2.4/site-packages/pylint-0.20.0-py2.4.egg/pylint/lint.py", line 590, in astng_events
self.astng_events(child, checkers, _reversed_checkers)
File "/appl/bwc/local/lib/python2.4/site-packages/pylint-0.20.0-py2.4.egg/pylint/lint.py", line 590, in astng_events
self.astng_events(child, checkers, _reversed_checkers)
File "/appl/bwc/local/lib/python2.4/site-packages/pylint-0.20.0-py2.4.egg/pylint/lint.py", line 587, in astng_events
checker.visit(astng)
File "/appl/bwc/local/lib/python2.4/site-packages/logilab_astng-0.20.0-py2.4.egg/logilab/astng/utils.py", line 307, in visit
method(node)
File "/appl/bwc/local/lib/python2.4/site-packages/pylint-0.20.0-py2.4.egg/pylint/checkers/format.py", line 265, in visit_default
prev_sibl = node.previous_sibling()
File "/appl/bwc/local/lib/python2.4/site-packages/logilab_astng-0.20.0-py2.4.egg/logilab/astng/mixins.py", line 51, in previous_sibling
stmts = self.parent.child_sequence(self)
File "/appl/bwc/local/lib/python2.4/site-packages/logilab_astng-0.20.0-py2.4.egg/logilab/astng/bases.py", line 416, in child_sequence
raise ASTNGError(msg % (repr(child), repr(self)))
logilab.astng._exceptions.ASTNGError: Could not found <logilab.astng.node_classes.Delete object at 0x207774d0> in <logilab.astng.node_classes.Compare instance at 0x20778738>'s children

prioritynormal
typebug
done in0.20.1
load0.100
load left0.000
closed by<not specified>