error on example

[andyyuan78]

ubgpu@ubgpu:/github/DeepANN/work$ PYTHONPATH=$PYTHONPATH:/github/common THEANO_FLAGS=mode=FAST_RUN,device=gpu0,floatX=float32 jobman cmdline -w work/ DARPAscript.NLPSDAE DARPA-fast.conf
Traceback (most recent call last):
File "/usr/lib/command-not-found", line 23, in
import gettext
File "/usr/lib/python3.4/gettext.py", line 49, in
import locale, copy, io, os, re, struct, sys
File "/usr/lib/python3.4/locale.py", line 17, in
import re
File "/usr/lib/python3.4/re.py", line 324, in
import copyreg
File "/usr/local/lib/python2.7/dist-packages/copyreg/init.py", line 7, in
raise ImportError('This package should not be accessible on Python 3. '
ImportError: This package should not be accessible on Python 3. Either you are trying to run from the python-future src folder or your installation of python-future is corrupted.
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 53, in apport_excepthook
if not enabled():
File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 24, in enabled
import re
File "/usr/lib/python3.4/re.py", line 324, in
import copyreg
File "/usr/local/lib/python2.7/dist-packages/copyreg/init.py", line 7, in
raise ImportError('This package should not be accessible on Python 3. '
ImportError: This package should not be accessible on Python 3. Either you are trying to run from the python-future src folder or your installation of python-future is corrupted.

Original exception was:
Traceback (most recent call last):
File "/usr/lib/command-not-found", line 23, in
import gettext
File "/usr/lib/python3.4/gettext.py", line 49, in
import locale, copy, io, os, re, struct, sys
File "/usr/lib/python3.4/locale.py", line 17, in
import re
File "/usr/lib/python3.4/re.py", line 324, in
import copyreg
File "/usr/local/lib/python2.7/dist-packages/copyreg/init.py", line 7, in
raise ImportError('This package should not be accessible on Python 3. '
ImportError: This package should not be accessible on Python 3. Either you are trying to run from the python-future src folder or your installation of python-future is corrupted.
ubgpu@ubgpu:~/github/DeepANN/