Traceback (most recent call last):


 "<stdin>", line 2, in <module>
ImportError: No module named 'numpy.random._pickle'

Traceback (most recent call last):


 "buy_and_hold_backtest.py", line 14, in <module>

from qstrader.statistics.simple import SimpleStatistics


 "/root/venv/qstraderp3/lib/python3.5/site-packages/qstrader/statistics/simple.py", line 9, in <module>

import matplotlib.pyplot as plt


 "/root/venv/qstraderp3/lib/python3.5/site-packages/matplotlib/pyplot.py", line 114, in <module>

_backend_mod, new_figure_manager, draw_if_interactive, _show = pylab_setup()


 "/root/venv/qstraderp3/lib/python3.5/site-packages/matplotlib/backends/__init__.py", line 32, in pylab_setup

globals(),locals(),[backend_name],0)


 "/root/venv/qstraderp3/lib/python3.5/site-packages/matplotlib/backends/backend_tkagg.py", line 6, in <module>

from matplotlib.externals.six.moves import tkinter as Tk


 "/root/venv/qstraderp3/lib/python3.5/site-packages/matplotlib/externals/six.py", line 90, in __get__

result = self._resolve()


 "/root/venv/qstraderp3/lib/python3.5/site-packages/matplotlib/externals/six.py", line 113, in _resolve

return _import_module(self.mod)


 "/root/venv/qstraderp3/lib/python3.5/site-packages/matplotlib/externals/six.py", line 80, in _import_module

__import__(name)
ImportError: No module named 'tkinter'
