logilab-astng #38896 AttributeError: 'TreeRebuilder' object has no attribute 'visit_dictcomp' [validation pending]

Similar to ticket 38537, running PyLint on a different file in the same project produces the following error:

Traceback (most recent call last):
File "C:\Python27\lib\site-packages\pylint-0.21.2-py2.7.egg\pylint\lint.py", line 533, in get_astng
return MANAGER.astng_from_file(filepath, modname)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\manager.py", line 140, in astng_from_file
return ASTNGBuilder(self).file_build(filepath, modname)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\builder.py", line 135, in file_build
node = self.string_build(data, modname, path)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\builder.py", line 145, in string_build
return self.ast_build(parse(data + '\n'), modname, path)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\builder.py", line 158, in ast_build
newnode = self.rebuilder.build(node, modname, node_file)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\rebuilder.py", line 104, in build
module = self.visit_module(node, modname)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\_nodes_ast.py", line 516, in visit_module
newnode.body = [self.visit(child, newnode) for child in node.body]
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\rebuilder.py", line 95, in visit
return visit_method(node, parent)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\rebuilder.py", line 154, in visit_class
newnode = self._visit_class(node, parent)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\_nodes_ast.py", line 272, in _visit_class
newnode.body = [self.visit(child, newnode) for child in node.body]
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\rebuilder.py", line 95, in visit
return visit_method(node, parent)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\rebuilder.py", line 227, in visit_function
newnode = self._visit_function(node, parent)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\_nodes_ast.py", line 397, in _visit_function
newnode.body = [self.visit(child, newnode) for child in node.body]
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\rebuilder.py", line 95, in visit
return visit_method(node, parent)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\_nodes_ast.py", line 210, in visit_assign
newnode.value = self.visit(node.value, newnode)
File "C:\Python27\lib\site-packages\logilab_astng-0.20.1-py2.7.egg\logilab\astng\rebuilder.py", line 94, in visit
visit_method = getattr(self, visit_name)
AttributeError: 'TreeRebuilder' object has no attribute 'visit_dictcomp'

priorityimportant
typebug
done in<not specified>
load left0.000
closed by<not specified>