def make_auth_headers():
path = os.path.expanduser("<STR_LIT>")<EOL>if not os.path.exists(path):<EOL><INDENT>raise RuntimeError(<EOL>"<STR_LIT>"<EOL>"<STR_LIT>"<EOL>)<EOL><DEDENT>with open(path) as f:<EOL><INDENT>token = f.read().strip()<EOL><DEDENT>headers = {<EOL>'<STR_LIT>': '<STR_LIT>'.format(token),<EOL>}<EOL>return headers<EOL>
Make the authentication headers needed to use the Appveyor API.