docs: def import_i2c_addr(bus, opt="sensors"):
      """ import_i2c_addresses will return a list of the
              currently connected I2C devices.
  
          This can be used a means to automatically detect
              the number of connected sensor modules.
          Modules are between int(112) and int(119)
  
          By default, the method will return a list
              of sensor addresses.
      """
  
      i2c_list = []
      for device in range(128):
          try:
              bus.read_byte(device)
              i2c_list.append((device))
          except IOError:
              pass
  
      if opt == "sensors":
          sensor_list = []
          for module in range(112,120):
              try:
                  indx = i2c_list.index(module)
                  sensor_list.append(module)
              except ValueError:
                  pass
          return sensor_list
  
      else:
          return i2c_list