--- descr.py 2006-04-10 17:42:53.000000000 -0700

+++ descr-fix.py 2006-10-11 22:27:10.000000000 -0700

@@ -6,7 +6,7 @@

class FileDescr(object):

saved = []

- def __init__(self, name=None):

+ def __init__(self, name):

self.name = name

def __get__(self, obj, typ=None):

@@ -26,14 +26,13 @@

"could not read %r: %s" % self.name

def __set__(self, obj, val):

- f = open(self.name, 'w')

try:

- try:

- pickle.dump(val, f)

- FileDescr.saved.append(self.name)

- except (TypeError, pickle.PicklingError), e:

- raise AttributeError, \

- "could not pickle %r" % self.name

+ f = open(self.name, 'w')

+ pickle.dump(val, f)

+ FileDescr.saved.append(self.name)

+ except (IOError, TypeError, pickle.PicklingError), e:

+ raise AttributeError, \

+ "could not pickle %r" % self.name

finally:

f.close()