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from __future__ import division, absolute_import, print_function
import sys
import pickle
from numpy.testing import assert_raises, assert_, assert_equal
if sys.version_info[:2] >= (3, 4):
from importlib import reload
else:
from imp import reload
def test_numpy_reloading():
# gh-7844. Also check that relevant globals retain their identity.
import numpy as np
import numpy._globals
_NoValue = np._NoValue
VisibleDeprecationWarning = np.VisibleDeprecationWarning
ModuleDeprecationWarning = np.ModuleDeprecationWarning
reload(np)
assert_(_NoValue is np._NoValue)
assert_(ModuleDeprecationWarning is np.ModuleDeprecationWarning)
assert_(VisibleDeprecationWarning is np.VisibleDeprecationWarning)
assert_raises(RuntimeError, reload, numpy._globals)
reload(np)
assert_(_NoValue is np._NoValue)
assert_(ModuleDeprecationWarning is np.ModuleDeprecationWarning)
assert_(VisibleDeprecationWarning is np.VisibleDeprecationWarning)
def test_novalue():
import numpy as np
assert_equal(repr(np._NoValue), '<no value>')
assert_(pickle.loads(pickle.dumps(np._NoValue)) is np._NoValue)
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