Removed Unipath dependency as it claims to support Python 3, but has an open issue regarding Python 3 support <mikeorr/Unipath#10>. Removed argparse dependency as Python 2.7 and 3.2 included argparse in stdlib. Furthermore some PEP8 cleanups on the files touched.
query_delete was infact benchmarking Model.delete(), and there was no benchmark for QuerySet.delete()
This avoids errors when stale .pyc, similar files/dirs are found.
…s` when possible.