def deactivate():
if '<STR_LIT>' not in os.environ or '<STR_LIT>' not in os.environ:<EOL><INDENT>raise EnvironmentError('<STR_LIT>')<EOL><DEDENT>utils.restore_env_from_file(os.environ['<STR_LIT>'])<EOL>
Deactivates an environment by restoring all env vars to a clean state
    stored prior to activating environments