code: def scan_interfaces(address=None):
      
      available = []
      found = []
      for driverClass in CLASSES:
          try:
              logger.debug('Scanning: %s', driverClass)
              instance = driverClass()
              found = instance.scan_interface(address)
              available += found
          except Exception:
              raise
      return available
docs: Scan all the interfaces for available Crazyflies