def get_paths(scheme=_get_default_scheme(), vars=None, expand=True):
 _ensure_cfg_read()
 if expand:
  return _expand_vars(scheme, vars)
 else:
  return dict(_SCHEMES.items(scheme))

def get_paths ( scheme = _get_default_scheme ( ) , vars = None , expand = True ) : _ensure_cfg_read ( ) if expand : return _expand_vars ( scheme , vars ) else : return dict ( _SCHEMES . items ( scheme ) )
returns a mapping containing an install scheme .