mgrandi/pretty-py3 — pull request #1 by avoidscorn (2014-02-22 23:56:20+00:00)
Title: Add missing comma in single-element tuple.

Failing test case:
```python
from pretty import pprint
pprint(object())
```

results in:
```
Traceback (most recent call last):
File "", line 1, in
File "$PREFIX/lib/python3.2/site-packages/pretty.py", line 106, in pprint
printer.pretty(obj)
File "$PREFIX/lib/python3.2/site-packages/pretty.py", line 299, in pretty
return _default_pprint(obj, self, cycle)
File "$PREFIX/lib/python3.2/site-packages/pretty.py", line 397, in _default_pprint
if getattr(klass, '__repr__', None) not in _baseclass_reprs:
TypeError: argument of type 'wrapper_descriptor' is not iterable
```