code: def test_MAVP(ford_2012):
      mavp = abstract.MAVP
      with pytest.raises(Exception):
          mavp.set_input_arrays(ford_2012)
      input_d = {}
      input_d["close"] = ford_2012["close"]
      input_d["periods"] = np.arange(30)
      assert mavp.set_input_arrays(input_d)
      assert mavp.input_arrays == input_d
  
imports: import copy
  import re
  import threading
  import time
  import numpy
  import pytest
  from numpy.testing import assert_array_equal, assert_raises
  import talib
  from talib import abstract, func
label_desc: Use image node_id 7 for calling a global function with example usage: test_MAVP(ford_2012) without return types