运行conda env list出现的结果
Traceback (most recent call last):
File "/opt/anaconda2/bin/conda", line 13, in <module>
sys.exit(main())
File "/opt/anaconda2/lib/python2.7/site-packages/conda/cli/main.py", line 150, in main
return conda_exception_handler(_main, *args, **kwargs)
File "/opt/anaconda2/lib/python2.7/site-packages/conda/exceptions.py", line 1371, in conda_exception_handler
return_value = exception_handler(func, *args, **kwargs)
File "/opt/anaconda2/lib/python2.7/site-packages/conda/exceptions.py", line 1082, in __call__
return self.handle_exception(exc_val, exc_tb)
File "/opt/anaconda2/lib/python2.7/site-packages/conda/exceptions.py", line 1126, in handle_exception
return self.handle_unexpected_exception(exc_val, exc_tb)
File "/opt/anaconda2/lib/python2.7/site-packages/conda/exceptions.py", line 1137, in handle_unexpected_exception
self.print_unexpected_error_report(error_report)
File "/opt/anaconda2/lib/python2.7/site-packages/conda/exceptions.py", line 1207, in print_unexpected_error_report
from .cli.main_info import get_env_vars_str, get_main_info_str
File "/opt/anaconda2/lib/python2.7/site-packages/conda/cli/main_info.py", line 19, in <module>
from ..core.index import _supplement_index_with_system
File "/opt/anaconda2/lib/python2.7/site-packages/conda/core/index.py", line 10, in <module>
from .package_cache_data import PackageCacheData
File "/opt/anaconda2/lib/python2.7/site-packages/conda/core/package_cache_data.py", line 15, in <module>
from .path_actions import CacheUrlAction, ExtractPackageAction
File "/opt/anaconda2/lib/python2.7/site-packages/conda/core/path_actions.py", line 30, in <module>
from ..gateways.connection.download import download
File "/opt/anaconda2/lib/python2.7/site-packages/conda/gateways/connection/download.py", line 13, in <module>
import ctypes
File "/opt/anaconda2/lib/python2.7/ctypes/__init__.py", line 7, in <module>
from _ctypes import Union, Structure, Array
ImportError: dlopen(/opt/anaconda2/lib/python2.7/lib-dynload/_ctypes.so, 2): Library not loaded: @rpath/libffi.6.dylib
Referenced from: /opt/anaconda2/lib/python2.7/lib-dynload/_ctypes.so
Reason: image not found
这个错误是由于缺少libffi.6.dylib库文件导致的。可以尝试以下方法解决：
更新conda：在终端中输入conda update conda，然后输入y确认更新。
重新安装libffi库：在终端中输入brew install libffi。
更新环境变量：在终端中输入export DYLD_FALLBACK_LIBRARY_PATH=/usr/local/lib/:$DYLD_FALLBACK_LIBRARY_PATH，然后再次运行conda env list。