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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">Hi,</p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">
In IronPython 2.6 I ran the following code:</p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"> </p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">class A(object):</p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"> def f(self):</p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"> self.__delattr__('x')</p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">a = A()</p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">a.x=1</p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">
a.f()</p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">Traceback (most recent call last):</p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"> File "<stdin>", line 1, in <module></p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"> File "<stdin>", line 3, in f</p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">AttributeError: 'A' object has no attribute 'x'</p>
<p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"> </p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed"> </p><p class="MsoNormal" style="text-align:left;direction:ltr;unicode-bidi:embed">
This code runs ok on cpython so I'm guessing this is bug…</p></div></body></html>