pip install pandas fails (mac osx)
Tried 'mkvirtualenv pandas' and 'pip install pandas' and fails. Default python is 2.7 and my OS is OSX Mountain Lion. Pip log file:

---

/Users/hernan/Envs/pandas/bin/pip run on Mon Sep 30 11:28:28 2013
Downloading/unpacking pandas

  Running setup.py egg_info for package pandas

```
Running from numpy source directory.

Traceback (most recent call last):

  File "<string>", line 16, in <module>

  File "/Users/hernan/Envs/pandas/build/pandas/setup.py", line 548, in <module>

    **setuptools_kwargs)

  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/core.py", line 112, in setup

    _setup_distribution = dist = klass(attrs)

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/dist.py", line 260, in __init__

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/dist.py", line 284, in fetch_build_eggs

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 563, in resolve

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 799, in best_match

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 811, in obtain

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/dist.py", line 327, in fetch_build_egg

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 446, in easy_install

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 476, in install_item

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 655, in install_eggs

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 930, in build_and_install

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 919, in run_setup

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/sandbox.py", line 62, in run_setup

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/sandbox.py", line 105, in run

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/sandbox.py", line 64, in <lambda>

  File "setup.py", line 214, in <module>

    FULLVERSION += "-%s" % rev

  File "setup.py", line 191, in setup_package

    MICRO = 0

  File "/var/folders/hh/3g2p62410756r13dp0yqb9lw0000gn/T/easy_install-s2ZuBD/numpy-1.7.1/numpy/distutils/core.py", line 25, in <module>

  File "/var/folders/hh/3g2p62410756r13dp0yqb9lw0000gn/T/easy_install-s2ZuBD/numpy-1.7.1/numpy/distutils/command/build_ext.py", line 16, in <module>

  File "/var/folders/hh/3g2p62410756r13dp0yqb9lw0000gn/T/easy_install-s2ZuBD/numpy-1.7.1/numpy/distutils/system_info.py", line 220, in <module>

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/sandbox.py", line 203, in _open

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/sandbox.py", line 199, in _violation

setuptools.sandbox.SandboxViolation: SandboxViolation: open('/dev/null', 'w') {}



The package setup script has attempted to modify files on your system

that are not within the EasyInstall build area, and has been aborted.



This package cannot be safely installed by EasyInstall, and may not

support alternate installation locations even if you run its setup

script by hand.  Please inform the package's author and the EasyInstall

maintainers to find out if a fix or workaround is available.

Complete output from command python setup.py egg_info:

Running from numpy source directory.
```

Traceback (most recent call last):

  File "<string>", line 16, in <module>

  File "/Users/hernan/Envs/pandas/build/pandas/setup.py", line 548, in <module>

```
**setuptools_kwargs)
```

  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/core.py", line 112, in setup

```
_setup_distribution = dist = klass(attrs)
```

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/dist.py", line 260, in **init**

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/dist.py", line 284, in fetch_build_eggs

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 563, in resolve

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 799, in best_match

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/pkg_resources.py", line 811, in obtain

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/dist.py", line 327, in fetch_build_egg

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 446, in easy_install

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 476, in install_item

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 655, in install_eggs

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 930, in build_and_install

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/command/easy_install.py", line 919, in run_setup

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/sandbox.py", line 62, in run_setup

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/sandbox.py", line 105, in run

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/sandbox.py", line 64, in <lambda>

  File "setup.py", line 214, in <module>

```
FULLVERSION += "-%s" % rev
```

  File "setup.py", line 191, in setup_package

```
MICRO = 0
```

  File "/var/folders/hh/3g2p62410756r13dp0yqb9lw0000gn/T/easy_install-s2ZuBD/numpy-1.7.1/numpy/distutils/core.py", line 25, in <module>

  File "/var/folders/hh/3g2p62410756r13dp0yqb9lw0000gn/T/easy_install-s2ZuBD/numpy-1.7.1/numpy/distutils/command/build_ext.py", line 16, in <module>

  File "/var/folders/hh/3g2p62410756r13dp0yqb9lw0000gn/T/easy_install-s2ZuBD/numpy-1.7.1/numpy/distutils/system_info.py", line 220, in <module>

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/sandbox.py", line 203, in _open

  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg/setuptools/sandbox.py", line 199, in _violation

setuptools.sandbox.SandboxViolation: SandboxViolation: open('/dev/null', 'w') {}

The package setup script has attempted to modify files on your system

that are not within the EasyInstall build area, and has been aborted.

This package cannot be safely installed by EasyInstall, and may not

support alternate installation locations even if you run its setup

script by hand.  Please inform the package's author and the EasyInstall

maintainers to find out if a fix or workaround is available.

---

Command python setup.py egg_info failed with error code 1 in /Users/hernan/Envs/pandas/build/pandas

Exception information:
Traceback (most recent call last):
  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/basecommand.py", line 107, in main
    status = self.run(options, args)
  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/commands/install.py", line 256, in run
    requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/req.py", line 1042, in prepare_files
    req_to_install.run_egg_info()
  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/req.py", line 236, in run_egg_info
    command_desc='python setup.py egg_info')
  File "/Users/hernan/Envs/pandas/lib/python2.7/site-packages/pip-1.2.1-py2.7.egg/pip/util.py", line 612, in call_subprocess
    % (command_desc, proc.returncode, cwd))
InstallationError: Command python setup.py egg_info failed with error code 1 in /Users/hernan/Envs/pandas/build/pandas
