Description of problem:
$ wget http://freshfoo.com/projects/IMAPClient/IMAPClient-0.9.1.zip
$ pyp2rpm -s IMAPClient-0.9.1.zip

Version-Release number of selected component:
pyp2rpm-0.5.1-5.fc18

Additional info:
cmdline:        /usr/bin/python /usr/bin/pyp2rpm -s IMAPClient-0.9.1.zip
executable:     /usr/bin/pyp2rpm
kernel:         3.7.2-204.fc18.x86_64
uid:            1000

Truncated backtrace:
metadata_extractors.py:168:extract_data:IndexError: list index out of range

Traceback (most recent call last):
  File "/usr/bin/pyp2rpm", line 74, in <module>
    converted = convertor.convert()
  File "/usr/lib/python2.7/site-packages/pyp2rpmlib/convertor.py", line 56, in convert
    data = self.metadata_extractor(local_file).extract_data()
  File "/usr/lib/python2.7/site-packages/pyp2rpmlib/metadata_extractors.py", line 168, in extract_data
    release_urls = self.client.release_urls(self.name, self.version)[0]
IndexError: list index out of range

Local variables in innermost frame:
self: <pyp2rpmlib.metadata_extractors.PypiMetadataExtractor object at 0x2958790>