class_docstr: A Shrinker object manages a single value and a predicate it should
  satisfy, and attempts to improve it in some direction, making it smaller
  and simpler.
class_docstr_tok: ["A","Shrinker","object","manages","a","single","value","and","a","predicate","it","should","satisfy",",","and","attempts","to","improve","it","in","some","direction",",","making","it","smaller","and","simpler","."]
docstr: Run a single step of the main shrink loop, attempting to improve the
  current value.
docstr_tok: ["Run","a","single","step","of","the","main","shrink","loop",",","attempting","to","improve","the","current","value","."]
code: def run_step(self):
      """Run a single step of the main shrink loop, attempting to improve the
      current value."""
      raise NotImplementedError
  
file_path: catboost/contrib/python/hypothesis/py3/hypothesis/internal/conjecture/shrinking/common.py
label_desc: Use image node_id 16 for calling the Shrinker obj's underlying member method code with example usage: obj.run_step() without return types