Traceback (most recent call last):


 "pyspark.py", line 105, in <module>

spark_model.fit(rdd, epochs=20, batch_size=32, verbose=0, validation_split=0.1)


 "C:\Users\\Anaconda3\lib\site-packages\elephas\spark_model.py", line 151, in fit

self._fit(rdd, epochs, batch_size, verbose, validation_split)


 "C:\Users\\Anaconda3\lib\site-packages\elephas\spark_model.py", line 163, in _fit

self.start_server()


 "C:\Users\\Anaconda3\lib\site-packages\elephas\spark_model.py", line 118, in start_server

self.parameter_server.start()


 "C:\Users\\Anaconda3\lib\site-packages\elephas\parameter\server.py", line 85, in start

self.server.start()


 "C:\Users\\Anaconda3\lib\multiprocessing\process.py", line 105, in start

self._popen = self._Popen(self)


 "C:\Users\\Anaconda3\lib\multiprocessing\context.py", line 223, in _Popen

return _default_context.get_context().Process._Popen(process_obj)


 "C:\Users\\Anaconda3\lib\multiprocessing\context.py", line 322, in _Popen

return Popen(process_obj)


 "C:\Users\\Anaconda3\lib\multiprocessing\popen_spawn_win32.py", line 65, in __init__

reduction.dump(process_obj, to_child)


 "C:\Users\\Anaconda3\lib\multiprocessing\reduction.py", line 60, in dump

ForkingPickler(file, protocol).dump(obj)
TypeError: can't pickle _thread.lock objects

Traceback (most recent call last):


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\conda\exceptions.py", line 1043, in __call__

return func(*args, **kwargs)


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\conda\cli\main.py", line 84, in _main

exit_code = do_call(args, p)


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\conda\cli\conda_argparse.py", line 80, in do_call

module = import_module(relative_mod, __name__.rsplit('.', 1)[0])


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\importlib\__init__.py", line 126, in import_module

return _bootstrap._gcd_import(name[level:], package, level)


 "<frozen importlib._bootstrap>", line 994, in _gcd_import


 "<frozen importlib._bootstrap>", line 971, in _find_and_load


 "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked


 "<frozen importlib._bootstrap>", line 665, in _load_unlocked


 "<frozen importlib._bootstrap_external>", line 678, in exec_module


 "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\conda\cli\main_update.py", line 8, in <module>

from .install import install


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\conda\cli\install.py", line 19, in <module>

from ..core.index import calculate_channel_urls, get_index


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\conda\core\index.py", line 9, in <module>

from .package_cache_data import PackageCacheData


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\conda\core\package_cache_data.py", line 15, in <module>

from conda_package_handling.api import InvalidArchiveError


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\conda_package_handling\api.py", line 3, in <module>

from libarchive.exception import ArchiveError as _LibarchiveArchiveError


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\libarchive\__init__.py", line 1, in <module>

from .entry import ArchiveEntry


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\libarchive\entry.py", line 6, in <module>

from . import ffi


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\site-packages\libarchive\ffi.py", line 27, in <module>

libarchive = ctypes.cdll.LoadLibrary(libarchive_path)


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\ctypes\__init__.py", line 426, in LoadLibrary

return self._dlltype(name)


 "C:\Users\nokroshiashvili\AppData\Local\Continuum\anaconda3\lib\ctypes\__init__.py", line 348, in __init__

self._handle = _dlopen(self._name, mode)
TypeError: LoadLibrary() argument 1 must be str, not None
