1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Traceback (most recent call last): File "/anaconda2/bin/conda", line 13, in <module> sys.exit(main()) File "/anaconda2/lib/python2.7/site-packages/conda/cli/main.py", line 149, in main from ..exceptions import conda_exception_handler File "/anaconda2/lib/python2.7/site-packages/conda/exceptions.py", line 18, in <module> from ._vendor.auxlib.entity import EntityEncoder File "/anaconda2/lib/python2.7/site-packages/conda/_vendor/auxlib/entity.py", line 253, in <module> from .collection import AttrDict, frozendict, make_immutable File "/anaconda2/lib/python2.7/site-packages/conda/_vendor/auxlib/collection.py", line 10, in <module>