New issue 2225: PyPy3k settrace/_trace messes up scoping
https://bitbucket.org/pypy/pypy/issues/2225/pypy3k-settrace-_trace-messes-up-scoping
Geoffrey Sneddon:
With the below:
```
#!python
import sys
class Tracer(object):
def start(self):
sys.settrace(self._trace)
def _trace(self, frame, event, arg_unused):
return self._trace
tracer = Tracer()
tracer.start()
def getExtraClass():
def hidden():
pass
class ExtraClass():
def hidden(self):
return hidden()
return ExtraClass
extraClass = getExtraClass()
obj = extraClass()
output = obj.hidden()
```
PyPy3k gives:
```
Traceback (most recent call last):
File "html5lib/tests/tree_construction.py", line 25, in <module>
output = obj.hidden()
File "html5lib/tests/tree_construction.py", line 19, in hidden
return hidden()
TypeError: hidden() takes exactly 1 argument (0 given)
```
CPython 2.7.11, CPython 3.5.1, and PyPy 4.0.1 all manage to run the above code
without problem. Only PyPy3k (2.4.0) fails.
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