class_docstr: An upper or lower bound for metrics
code: def lower_bound(lower_bound):
      return Quota(lower_bound, False)
  
file_path: kafka-python/kafka/metrics/quota.py
imports: from __future__ import absolute_import
label_desc: Use image node_id 3 for calling the Quota obj's underlying member method code with example usage: obj.lower_bound(lower_bound) and returns: Quota