mac 上安装python的模块全部报错，求救？

最近安装python模块的时候不知道哪里出错了。全部报同样一个错误
错误的部分如下：
File "/Users/Gino/anaconda/lib/python2.7/site-packages/distribute-0.6.28-py2.7.egg/setuptools/dist.py", line 257, in finalize_options

ep.require(installer=self.fetch_build_egg)

File "/Users/Gino/anaconda/lib/python2.7/site-packages/distribute-0.6.28-py2.7.egg/pkg_resources.py", line 2029, in require

working_set.resolve(self.dist.requires(self.extras),env,installer))

File "/Users/Gino/anaconda/lib/python2.7/site-packages/distribute-0.6.28-py2.7.egg/pkg_resources.py", line 579, in resolve

env = Environment(self.entries)

File "/Users/Gino/anaconda/lib/python2.7/site-packages/distribute-0.6.28-py2.7.egg/pkg_resources.py", line 748, in __init__

self.scan(search_path)

File "/Users/Gino/anaconda/lib/python2.7/site-packages/distribute-0.6.28-py2.7.egg/pkg_resources.py", line 777, in scan

for dist in find_distributions(item):

File "/Users/Gino/anaconda/lib/python2.7/site-packages/distribute-0.6.28-py2.7.egg/pkg_resources.py", line 1702, in find_distributions

importer = get_importer(path_item)

File "/Users/Gino/anaconda/lib/python2.7/pkgutil.py", line 394, in get_importer

importer = ImpImporter(path_item)

RuntimeError: maximum recursion depth exceeded while calling a Python object

求教大神怎么办