Traceback (most recent call last):


 "analyze.py", line 71, in get_file_histogram

cohort = commit2cohort[old_commit.hexsha]
KeyError: u'2643750ed2a84571c43ad32278de4a00d24bce46'

Traceback (most recent call last):


 "/opt/az/lib/python3.6/site-packages/azure/cli/command_modules/storage/azcopy/util.py", line 122, in client_auth_for_azcopy

token_info = _unserialize_non_msi_token_payload(token_info)


 "/opt/az/lib/python3.6/site-packages/azure/cli/command_modules/storage/azcopy/util.py", line 144, in _unserialize_non_msi_token_payload

'refresh_token': token_info['refreshToken'],
KeyError: 'refreshToken'
