def _clear_namespace():
 ok_names = set(default_backend.__dict__)
 ok_names.update(['gl2', 'glplus'])
 NS = globals()
 for name in list(NS.keys()):
  if name.lower().startswith('gl'):
   if (name not in ok_names):
    del NS[name]

def _clear_namespace ( ) : ok_names = set ( default_backend . __dict__ ) ok_names . update ( [ 'gl2' , 'glplus' ] ) NS = globals ( ) for name in list ( NS . keys ( ) ) : if name . lower ( ) . startswith ( 'gl' ) : if ( name not in ok_names ) : del NS [ name ]
clear names that are not part of the strict es api .