code: def test_verify_valid_cmap(cmap, exp_ctx):
      from shap.plots._force import verify_valid_cmap
  
      with exp_ctx:
          verify_valid_cmap(cmap)
  
file_path: shap/tests/plots/test_force.py
imports: from contextlib import nullcontext
  import matplotlib
  import matplotlib.pyplot
  import numpy
  import pytest
  from pytest import param
  import shap
label_desc: Use image node_id 1 for calling a global function with example usage: test_verify_valid_cmap(cmap, exp_ctx) without return types