(base) boodeMBP:~ boo$ conda activate mne
(mne) boodeMBP:~ boo$ mne coreg
    Triangle neighbors and vertex normals...
    Triangle neighbors and vertex normals...
    Triangle neighbors and vertex normals...
    Triangle neighbors and vertex normals...
objc[18720]: Class FIFinderSyncExtensionHost is implemented in both /System/Library/PrivateFrameworks/FinderKit.framework/Versions/A/FinderKit (0x7fff8c9d13d8) and /System/Library/PrivateFrameworks/FileProvider.framework/OverrideBundles/FinderSyncCollaborationFileProviderOverride.bundle/Contents/MacOS/FinderSyncCollaborationFileProviderOverride (0x1c3ee8ef50). One of the two will be used. Which one is undefined.
Traceback (most recent call last):
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traitsui/qt4/file_editor.py", line 98, in show_file_dialog
    self.value = file_name
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traitsui/editor.py", line 267, in _set_value
    self.ui.do_undoable(self.__set_value, value)
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traitsui/ui.py", line 731, in do_undoable
    action(*args, **kw)
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traitsui/editor.py", line 280, in __set_value
    method(self.ui.info, self.object, name, value)
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traitsui/handler.py", line 335, in setattr
    setattr(object, name, value)
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traits/trait_types.py", line 1645, in validate
    self.error(object, name, value)
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traits/trait_handlers.py", line 236, in error
    object, name, self.full_info(object, name, value), value
traits.trait_errors.TraitError: The 'file' trait of a DigSource instance must be a file name, but a value of '/Users/boo/Desktop/data_meg_script/20190513/S04_G14PKU_20190513_01.ds' <class 'str'> was specified.
Fatal Python error: Aborted

Thread 0x000070000d191000 (most recent call first):
  File "/anaconda3/envs/mne/lib/python3.6/threading.py", line 295 in wait
  File "/anaconda3/envs/mne/lib/python3.6/queue.py", line 164 in get
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/mne/gui/_coreg_gui.py", line 1345 in worker
  File "/anaconda3/envs/mne/lib/python3.6/threading.py", line 864 in run
  File "/anaconda3/envs/mne/lib/python3.6/threading.py", line 916 in _bootstrap_inner
  File "/anaconda3/envs/mne/lib/python3.6/threading.py", line 884 in _bootstrap

Current thread 0x000000010cf935c0 (most recent call first):
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/pyface/util/guisupport.py", line 137 in start_event_loop_qt4
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traitsui/qt4/view_application.py", line 138 in __init__
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traitsui/qt4/view_application.py", line 84 in view_application
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traitsui/qt4/toolkit.py", line 222 in view_application
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/traits/has_traits.py", line 2361 in configure_traits
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/mne/gui/__init__.py", line 18 in _initialize_gui
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/mne/gui/__init__.py", line 171 in coregistration
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/mne/utils.py", line 951 in verbose
  File "<string>", line 2 in coregistration
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/mne/commands/mne_coreg.py", line 110 in run
  File "/anaconda3/envs/mne/lib/python3.6/site-packages/mne/commands/mne_coreg.py", line 117 in <module>
(mne) boodeMBP:~ boo$