[issue23590] Potential leak in PyFloat_AsDouble. Refcount error.

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc added the comment:

Simple script to reproduce the issue:

import sys, time
class C(object):
  def __float__(self):
    return ""
for x in range(10000):
  try:
    time.sleep(C())
  except TypeError:
    pass
  if x % 1000 == 0:
    print(sys.getrefcount(""))

----------
nosy: +amaury.forgeotdarc

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<http://bugs.python.org/issue23590>
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