code: def get_provisioned_table_read_units(table_name):
      
      try:
          desc = DYNAMODB_CONNECTION.describe_table(table_name)
      except JSONResponseError:
          raise
  
      read_units = int(
          desc[u'Table'][u'ProvisionedThroughput'][u'ReadCapacityUnits'])
  
      logger.debug('{0} - Currently provisioned read units: {1:d}'.format(
          table_name, read_units))
      return read_units
docs: Returns the number of provisioned read units for the table
  
      :type table_name: str
      :param table_name: Name of the DynamoDB table
      :returns: int -- Number of read units