def invalidate_module_pricing_cache(driver_type, driver_name):
 if (driver_name in PRICING_DATA[driver_type]):
  del PRICING_DATA[driver_type][driver_name]

def invalidate_module_pricing_cache ( driver_type , driver_name ) : if ( driver_name in PRICING_DATA [ driver_type ] ) : del PRICING_DATA [ driver_type ] [ driver_name ]
invalidate the cache for the specified driver .