code: def pytest_configure(config):
      matplotlib.use("agg")
      matplotlib._called_from_pytest = True
      matplotlib._init_tests()
  
file_path: catboost/contrib/python/matplotlib/py2/matplotlib/testing/conftest.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import pytest
  import matplotlib
label_desc: Use image node_id 1 for calling a global function with example usage: pytest_configure(config) without return types