PysparkPickle

Traceback (most recent call last):
  File "/home/cts357808/AmexRTD/churn_spark.py", line 37, in <module>
    joblib.dump(dtmodel,"DecisionTree.model")
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 367, in dump
    pickler.dump(value)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 224, in dump
    self.save(obj)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 331, in save
    self.save_reduce(obj=obj, *rv)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 419, in save_reduce
    save(state)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 286, in save
    f(self, obj) # Call unbound method with explicit self
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 649, in save_dict
    self._batch_setitems(obj.iteritems())
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 681, in _batch_setitems
    save(v)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 331, in save
    self.save_reduce(obj=obj, *rv)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 419, in save_reduce
    save(state)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 286, in save
    f(self, obj) # Call unbound method with explicit self
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 649, in save_dict
    self._batch_setitems(obj.iteritems())
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 681, in _batch_setitems
    save(v)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 286, in save
    f(self, obj) # Call unbound method with explicit self
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 725, in save_inst
    save(stuff)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 286, in save
    f(self, obj) # Call unbound method with explicit self
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 649, in save_dict
    self._batch_setitems(obj.iteritems())
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 681, in _batch_setitems
    save(v)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 331, in save
    self.save_reduce(obj=obj, *rv)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 419, in save_reduce
    save(state)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 286, in save
    f(self, obj) # Call unbound method with explicit self
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 649, in save_dict
    self._batch_setitems(obj.iteritems())
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 681, in _batch_setitems
    save(v)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 331, in save
    self.save_reduce(obj=obj, *rv)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 419, in save_reduce
    save(state)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 286, in save
    f(self, obj) # Call unbound method with explicit self
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 649, in save_dict
    self._batch_setitems(obj.iteritems())
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 681, in _batch_setitems
    save(v)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 331, in save
    self.save_reduce(obj=obj, *rv)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 396, in save_reduce
    save(cls)
  File "/usr/lib/anacondapython/lib/python2.7/site-packages/sklearn/externals/joblib/numpy_pickle.py", line 249, in save
    return Pickler.save(self, obj)
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 286, in save
    f(self, obj) # Call unbound method with explicit self
  File "/usr/lib/anacondapython/lib/python2.7/pickle.py", line 748, in save_global
    (obj, module, name))
pickle.PicklingError: Can't pickle <type 'thread.lock'>: it's not found as thread.lock