class_docstr: A wrapper to make KFold single entry cv iterator
class_docstr_tok: ["A","wrapper","to","make","KFold","single","entry","cv","iterator"]
code: def get_n_splits(self, X=None, y=None, groups=None):
      return self.n_splits
  
imports: import numpy
  from sklearn.model_selection import KFold
label_desc: Use image node_id 3 for calling the OneTimeSplitter obj's underlying member method code with example usage: obj.get_n_splits(X, y, groups) and returns: self