
Traceback (most recent call last):

 "/Volumes/Raptor/miniconda3/envs/production/lib/python3.4/site-packages/jupyterhub/app.py", line 960, in start
yield self.start_proxy()

 "/Volumes/Raptor/miniconda3/envs/production/lib/python3.4/site-packages/jupyterhub/app.py", line 735, in start_proxy
self.proxy_process = Popen(cmd, env=env)

 "/Volumes/Raptor/miniconda3/envs/production/lib/python3.4/subprocess.py", line 859, in __init__
restore_signals, start_new_session)

 "/Volumes/Raptor/miniconda3/envs/production/lib/python3.4/subprocess.py", line 1457, in _execute_child
raise child_exception_type(errno_num, err_msg)

NotFoundError: [Errno 2] No such file or directory: 'configurable-http-proxy'
Traceback (most recent call last):

 "G:\reusable\junk.py", line 1, in <module>
import matplotlib.pyplot as plt

 "c:\anaconda3\lib\site-packages\matplotlib\pyplot.py", line 114, in <module>
_backend_mod, new_figure_manager, draw_if_interactive, _show = pylab_setup()

 "c:\anaconda3\lib\site-packages\matplotlib\backends\__init__.py", line 32, in pylab_setup
globals(),locals(),[backend_name],0)

 "c:\anaconda3\lib\site-packages\matplotlib\backends\backend_qt4agg.py", line 18, in <module>
from .backend_qt5agg import FigureCanvasQTAggBase as _FigureCanvasQTAggBase

 "c:\anaconda3\lib\site-packages\matplotlib\backends\backend_qt5agg.py", line 15, in <module>
from .backend_qt5 import QtCore

 "c:\anaconda3\lib\site-packages\matplotlib\backends\backend_qt5.py", line 31, in <module>
from .qt_compat import QtCore, QtGui, QtWidgets, _getSave
Name, __version__

 "c:\anaconda3\lib\site-packages\matplotlib\backends\qt_compat.py", line 124, in <module>
from PyQt4 import QtCore, QtGuiImportError: cannot import name 'QtCore'