code: def _tie_check(xy):
      """Find any ties in data"""
      _, t = np.unique(xy, return_counts=True, axis=-1)
      return np.any(t != 1)
  
file_path: catboost/contrib/python/scipy/py3/scipy/stats/_mannwhitneyu.py
imports: import numpy
  from dataclasses import make_dataclass
  from collections import namedtuple
  from scipy import special
  from scipy import stats
label_desc: Use image node_id 5 for calling a global function with example usage: _tie_check(xy) and returns: np