Downloading/unpacking https://code.google.com/p/python-geohash/downloads/detail?name=python-geohash-0.8.4.tar.gz
  Downloading from URL https://code.google.com/p/python-geohash/downloads/detail?name=python-geohash-0.8.4.tar.gz
  Cannot unpack file /var/folders/jm/jmtPme+qGHOtuj4PT7B3jk+++TI/-Tmp-/tmpITb4gz/detail (downloaded from /var/folders/jm/jmtPme+qGHOtuj4PT7B3jk+++TI/-Tmp-/pip-tHyrZB-build, content-type: text/html; charset=UTF-8); cannot detect archive format
Cannot determine archive format of /var/folders/jm/jmtPme+qGHOtuj4PT7B3jk+++TI/-Tmp-/pip-tHyrZB-build
Exception information:
Traceback (most recent call last):
  File "/Users/seang/code/Fiona/lib/python2.6/site-packages/pip-0.6.3-py2.6.egg/pip/basecommand.py", line 115, in main
    self.run(options, args)
  File "/Users/seang/code/Fiona/lib/python2.6/site-packages/pip-0.6.3-py2.6.egg/pip/commands/install.py", line 155, in run
    requirement_set.install_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
  File "/Users/seang/code/Fiona/lib/python2.6/site-packages/pip-0.6.3-py2.6.egg/pip/req.py", line 830, in install_files
    self.unpack_url(url, location, self.is_download)
  File "/Users/seang/code/Fiona/lib/python2.6/site-packages/pip-0.6.3-py2.6.egg/pip/req.py", line 1015, in unpack_url
    self.unpack_file(temp_location, location, content_type, link)
  File "/Users/seang/code/Fiona/lib/python2.6/site-packages/pip-0.6.3-py2.6.egg/pip/req.py", line 1068, in unpack_file
    raise InstallationError('Cannot determine archive format of %s' % location)
InstallationError: Cannot determine archive format of /var/folders/jm/jmtPme+qGHOtuj4PT7B3jk+++TI/-Tmp-/pip-tHyrZB-build
