Import matplotlib.pyplot in jupyter

In [3]: from matplotlib import pyplot as plt

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-3-329566526ef3> in <module>()
----> 1 from matplotlib import pyplot as plt
      2
      3 # import matplotlib.pylab

/usr/local/lib/python2.7/dist-packages/matplotlib/pyplot.py in <module>()
    112
    113 from matplotlib.backends import pylab_setup
--> 114 _backend_mod, new_figure_manager, draw_if_interactive, _show = pylab_setup()
    115
    116 _IP_REGISTERED = None

/usr/local/lib/python2.7/dist-packages/matplotlib/backends/__init__.pyc in pylab_setup()
     30     # imports. 0 means only perform absolute imports.
     31     backend_mod = __import__(backend_name,
---> 32                              globals(),locals(),[backend_name],0)
     33
     34     # Things we pull in from all backends

/usr/local/lib/python2.7/dist-packages/ipykernel/pylab/backend_inline.py in <module>()
    154         configure_inline_support(ip, backend)
    155
--> 156 _enable_matplotlib_integration()

/usr/local/lib/python2.7/dist-packages/ipykernel/pylab/backend_inline.py in _enable_matplotlib_integration()
    152     backend = get_backend()
    153     if ip and backend == 'module://%s' % __name__:
--> 154         configure_inline_support(ip, backend)
    155
    156 _enable_matplotlib_integration()

/usr/local/lib/python2.7/dist-packages/IPython/core/pylabtools.pyc in configure_inline_support(shell, backend)
    359     except ImportError:
    360         return
--> 361     from matplotlib import pyplot
    362
    363     cfg = InlineBackend.instance(parent=shell)

ImportError: cannot import name pyplot