pip无法从pypi.python.org找到软件包

我正在OSP 10.11上运行通过自制软件安装的python附带的pip v1.5.6

pip install emo例如，当运行时，我得到：

Could not find any downloads that satisfy the requirement emo

pip.log内容为：

------------------------------------------------------------
/usr/local/bin/pip run on Mon Jan  5 11:50:28 2015
Downloading/unpacking emo
  Getting page https://pypi.python.org/simple/emo/
  URLs to search for versions for emo:
  * https://pypi.python.org/simple/emo/
  Analyzing links from page https://pypi.python.org/simple/emo/
  Could not find any downloads that satisfy the requirement emo
Cleaning up...
  Removing temporary dir /private/var/folders/v0/jsnj03_s7kvcf6xt32s_bt_40000gn/T/pip_build_elzi...
No distributions at all found for emo
Exception information:
Traceback (most recent call last):
  File "/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.5.6-py2.7.egg/pip/basecommand.py", line 122, in main
    status = self.run(options, args)
  File "/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.5.6-py2.7.egg/pip/commands/install.py", line 278, in run
    requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
  File "/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.5.6-py2.7.egg/pip/req.py", line 1177, in prepare_files
    url = finder.find_requirement(req_to_install, upgrade=self.upgrade)
  File "/usr/local/Cellar/python/2.7.5/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.5.6-py2.7.egg/pip/index.py", line 277, in find_requirement
    raise DistributionNotFound('No distributions at all found for %s' % req)
DistributionNotFound: No distributions at all found for emo

https://pypi.python.org/simple/emo加载需要很长时间，但实际上确实存在。

知道会发生什么吗？其他软件包，例如“ scapy”，也可以安装。

该emo软件包实际上不存在- 有关详细信息，请参见PyPI页面。它的状态为“计划中”，表示有人注册了软件包名称，但实际上尚未开发该软件包。