>>> import subprocess32, pickle
>>> t = subprocess32.TimeoutExpired(['foo', 'bar'], 60)
>>> pickle.loads(pickle.dumps(t))
TypeError                                 Traceback (most recent call last)
<ipython-input-6-c105e6dd98fb> in <module>()
----> 1 pickle.loads(pickle.dumps(t))

/usr/local/Cellar/python@2/2.7.15_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.pyc in loads(str)
   1386 def loads(str):
   1387     file = StringIO(str)
-> 1388     return Unpickler(file).load()
   1389
   1390 # Doctest

/usr/local/Cellar/python@2/2.7.15_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.pyc in load(self)
    862             while 1:
    863                 key = read(1)
--> 864                 dispatch[key](self)
    865         except _Stop, stopinst:
    866             return stopinst.value

/usr/local/Cellar/python@2/2.7.15_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.pyc in load_reduce(self)
   1137         args = stack.pop()
   1138         func = stack[-1]
-> 1139         value = func(*args)
   1140         stack[-1] = value
   1141     dispatch[REDUCE] = load_reduce

TypeError: __init__() takes at least 3 arguments (1 given)

>>> import subprocess32, pickle
>>> t = subprocess32.TimeoutExpired(['foo', 'bar'], 60)
>>> pickle.loads(pickle.dumps(t))
>>> t.args = (t.cmd, t.timeout, t.stdout, t.stderr)  # Magic!
>>> pickle.loads(pickle.dumps(t))
# No exception now!