Bugs item #1715581, was opened at 2007-05-09 13:23
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Category: Python Library
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Ali Gholami Rudi (aligrudi)
Assigned to: Nobody/Anonymous (nobody)
Summary: Const(None) in compiler.ast.Return.value
Initial Comment:
The problem happens when::
import compiler
class Visitor(object):
def visitReturn(self, node):
print node.value
source = """
def f():
return
"""
compiler.walk(compiler.parse(source), Visitor())
I think the value of `node.value` should have been `None` instead of
`Const(None)` as it is for most other nodes when an optional part is
missing. The same problem (getting `Const(None)` instead of `None`)
exists for `Sliceobj.nodes[i]` and `Discard.expr`.
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