
Traceback (most recent call last):


 "/home/travis/miniconda/lib/python3.5/site-packages/conda/exceptions.py", line 632, in conda_exception_handler

return_value = func(*args, **kwargs)


 "/home/travis/miniconda/lib/python3.5/site-packages/conda_env/cli/main_update.py", line 82, in execute

if not (args.name or args.prefix):

AttributeError: 'Namespace' object has no attribute 'prefix'

Traceback (most recent call last):


 "/Users/Daisy.Leung/anaconda3/envs/ds-user-models/lib/python3.6/site-packages/pip/_vendor/pkg_resources/__init__.py", line 3012, in _parsed_pkg_info

return self._pkg_info


 "/Users/Daisy.Leung/anaconda3/envs/ds-user-models/lib/python3.6/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2815, in __getattr__

raise AttributeError(attr)
AttributeError: _pkg_info
