code: def test_context_store_accessible_across_threads():
      # Make sure it's completely empty by patching it
      d = {}
      with mock.patch("pmdarima.arima._context._ctx.store", d):
          # pushes onto the Context Store
          def push(n):
              # n is the number of times this has been executed before. If > 0,
              # assert there is a context there
              if n > 0:
                  assert (
                      len(context_lib._ctx.store[ContextType.STEPWISE])
                      == n
                  )
              else:
                  context_lib._ctx.store[
                      ContextType.STEPWISE
                  ] = collections.deque()
  
              new_ctx = StepwiseContext()
              context_lib._ctx.store[ContextType.STEPWISE].append(
                  new_ctx
              )
              assert (
                  len(context_lib._ctx.store[ContextType.STEPWISE])
                  == n + 1
              )
  
          for i in range(5):
              t = threading.Thread(target=push, args=(i,))
              t.start()
              t.join(1)  # it shouldn't take even close to this time
  
      # Assert the mock has lifted
      assert context_lib._ctx.store is not d
  
file_path: pmdarima/pmdarima/arima/tests/test_context.py
imports: from pmdarima.arima.auto import StepwiseContext, auto_arima
  from pmdarima.arima._context import ContextStore, ContextType
  from pmdarima.arima import _context
  from pmdarima.datasets import load_lynx, load_wineind
  from unittest import mock
  import threading
  import collections
  import pytest
  import warnings
label_desc: Use image node_id 7 for calling a global function with example usage: test_context_store_accessible_across_threads() without return types