code: def verify_numeric(X_test):
      """
      Test that all attributes in the DataFrame are numeric.
      """
      _NUMERIC_KINDS = set("buifc")
  
      for dt in X_test.dtypes:
          assert dt.kind in _NUMERIC_KINDS
  
file_path: category_encoders/tests/helpers.py
imports: import numpy
  import random
  import pandas
  import math
label_desc: Use image node_id 1 for calling a global function with example usage: verify_numeric(X_test) without return types