Binary package “python3-retrying” in ubuntu bionic

simplifies the task of adding retry behavior - Python 3.x

 Retrying is an Apache 2.0 licensed general-purpose retrying library, written
 in Python, to simplify the task of adding retry behavior to just about
 anything.
 .
 Features:
  * Generic Decorator API
  * Specify stop condition (limit by number of attempts)
  * Specify wait condition (exponential backoff sleeping between attempts)
  * Customize retrying on Exceptions
  * Customize retrying on expected returned result
 .
 This package contains the Python 3.x module.