我用 pip3 install quandl 安装了 quandl module 并收到了一个成功安装的消息 . 但我在python模块列表中看不到它 . 当使用 import quandl 运行代码时，会收到错误：

File "Regression.py", line 2, in <module>
    import quandl
ImportError: No module named quandl.

我尝试了几件事，但没有成功 . 有没有人有什么建议？

在这里你可以看到完整的错误：

Exception:
Traceback (most recent call last):
 File "/Library/Python/2.7/site-packages/pip/basecommand.py", line 215, in main
   status = self.run(options, args)
 File "/Library/Python/2.7/site-packages/pip/commands/install.py", line 342, in >run
   prefix=options.prefix_path,
 File "/Library/Python/2.7/site-packages/pip/req/req_set.py", line 778, in >install
  requirement.uninstall(auto_confirm=True)
File "/Library/Python/2.7/site-packages/pip/req/req_install.py", line 754, in >uninstall
 paths_to_remove.remove(auto_confirm)
File "/Library/Python/2.7/site-packages/pip/req/req_uninstall.py", line 115, in >remove
 renames(path, new_path)
File "/Library/Python/2.7/site-packages/pip/utils/__init__.py", line 267, in >renames
 shutil.move(old, new)
File >"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py>", line 302, in move
 copy2(src, real_dst)
 File >"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py>", line 131, in copy2
   copystat(src, dst)
File >"/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/shutil.py>", line 103, in copystat
    os.chflags(dst, st.st_flags)
OSError: [Errno 1] Operation not permitted: '/tmp/pip-sk4mSc->uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/pyth>on/numpy-1.8.0rc1-py2.7.egg-info'
python python-2.7 pip quandl