class_docstr: Retry strategy that retries if an exception verifies a predicate.
class_docstr_tok: ["Retry","strategy","that","retries","if","an","exception","verifies","a","predicate","."]
code: def __call__(self, retry_state):
      if retry_state.outcome.failed:
          return self.predicate(retry_state.outcome.exception())
      else:
          return False
  
imports: import abc
  import re
  import six
label_desc: Use image node_id 2 for calling the retry_if_exception obj's underlying member method code with example usage: obj.__call__(retry_state) and returns: self, False