code: def warning_free():
      """Small helper to surpress all warnings"""
      with warnings.catch_warnings():
          warnings.simplefilter("ignore")
  
          yield
  
file_path: tsfresh/tests/fixtures.py
imports: import warnings
  from contextlib import contextmanager
  from unittest import TestCase
  import numpy
  import pandas
label_desc: Use image node_id 1 for calling a global function with example usage: warning_free() without return types