python - Why did conda and pip just stop working? 'CompiledFFI' object has no attribute 'def_extern' -


i installed/upgraded following packages on system (mac osx 10.7.5, using python 2.7.11).

    package                |            build ---------------------------|----------------- enum34-1.1.2               |           py27_0          55 kb idna-2.0                   |           py27_0         123 kb ipaddress-1.0.14           |           py27_0          27 kb pyasn1-0.1.9               |           py27_0          54 kb pycparser-2.14             |           py27_0         147 kb cffi-1.2.1                 |           py27_0         167 kb cryptography-1.0.2         |           py27_0         370 kb pyopenssl-0.14             |           py27_0         122 kb ndg-httpsclient-0.3.3      |           py27_0          30 kb ------------------------------------------------------------                                        total:         1.1 mb

afterwards, following error when trying call pip or anaconda:

'compiledffi' object has no attribute 'def_extern'

what's going on , how fix this?

here's full error message:

    $ conda traceback (most recent call last):   file "/users/user/miniconda/bin/conda", line 5, in <module>     sys.exit(main())   file "/users/user/miniconda/lib/python2.7/site-packages/conda/cli/main.py", line 118, in main     conda.cli import main_search   file "/users/user/miniconda/lib/python2.7/site-packages/conda/cli/main_search.py", line 12, in <module>     conda.misc import make_icon_url   file "/users/user/miniconda/lib/python2.7/site-packages/conda/misc.py", line 19, in <module>     conda.api import get_index   file "/users/user/miniconda/lib/python2.7/site-packages/conda/api.py", line 10, in <module>     conda.fetch import fetch_index   file "/users/user/miniconda/lib/python2.7/site-packages/conda/fetch.py", line 24, in <module>     conda.connection import condasession, unparse_url, retries   file "/users/user/miniconda/lib/python2.7/site-packages/conda/connection.py", line 24, in <module>     import requests   file "/users/user/miniconda/lib/python2.7/site-packages/requests/__init__.py", line 53, in <module>     .packages.urllib3.contrib import pyopenssl   file "/users/user/miniconda/lib/python2.7/site-packages/requests/packages/urllib3/contrib/pyopenssl.py", line 54, in <module>     import openssl.ssl   file "/users/user/miniconda/lib/python2.7/site-packages/openssl/__init__.py", line 8, in <module>     openssl import rand, crypto, ssl   file "/users/user/miniconda/lib/python2.7/site-packages/openssl/rand.py", line 11, in <module>     openssl._util import (   file "/users/user/miniconda/lib/python2.7/site-packages/openssl/_util.py", line 6, in <module>     cryptography.hazmat.bindings.openssl.binding import binding   file "/users/user/miniconda/lib/python2.7/site-packages/cryptography/hazmat/bindings/openssl/binding.py", line 68, in <module>     error=-1)   file "/users/user/miniconda/lib/python2.7/site-packages/cryptography/hazmat/bindings/openssl/binding.py", line 57, in wrapper     ffi.def_extern(name=name, **kwargs)(func) attributeerror: 'compiledffi' object has no attribute 'def_extern'

i had error too, i've resolved upgrading cffi so:

pip install --upgrade cffi

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