Error with a fresh single-user 64-bit install of Hyperspy 0.8.4

Hyperspy Windows Error.py

>>> %matplotlib

RuntimeError                              Traceback (most recent call last)
<ipython-input-3-fc39d5fd4eba> in <module>()
----> 1 get_ipython().magic('matplotlib')

C:\Users\EMGroup\AppData\Local\HyperSpy WinPython Bundle 0.8.4\python-3.4.4.amd64\lib\site-packages\IPython\core\interactiveshell.py in magic(self, arg_s)
   2161         magic_name, _, magic_arg_s = arg_s.partition(' ')
   2162         magic_name = magic_name.lstrip(prefilter.ESC_MAGIC)
-> 2163         return self.run_line_magic(magic_name, magic_arg_s)
   2164 
   2165     #-------------------------------------------------------------------------

C:\Users\EMGroup\AppData\Local\HyperSpy WinPython Bundle 0.8.4\python-3.4.4.amd64\lib\site-packages\IPython\core\interactiveshell.py in run_line_magic(self, magic_name, line)
   2082                 kwargs['local_ns'] = sys._getframe(stack_depth).f_locals
   2083             with self.builtin_trap:
-> 2084                 result = fn(*args,**kwargs)
   2085             return result
   2086 

<decorator-gen-107> in matplotlib(self, line)

C:\Users\EMGroup\AppData\Local\HyperSpy WinPython Bundle 0.8.4\python-3.4.4.amd64\lib\site-packages\IPython\core\magic.py in <lambda>(f, *a, **k)
    191     # but it's overkill for just that one bit of state.
    192     def magic_deco(arg):
--> 193         call = lambda f, *a, **k: f(*a, **k)
    194 
    195         if callable(arg):

C:\Users\EMGroup\AppData\Local\HyperSpy WinPython Bundle 0.8.4\python-3.4.4.amd64\lib\site-packages\IPython\core\magics\pylab.py in matplotlib(self, line)
     98             print("Available matplotlib backends: %s" % backends_list)
     99         else:
--> 100             gui, backend = self.shell.enable_matplotlib(args.gui)
    101             self._show_matplotlib_backend(args.gui, backend)
    102 

C:\Users\EMGroup\AppData\Local\HyperSpy WinPython Bundle 0.8.4\python-3.4.4.amd64\lib\site-packages\IPython\core\interactiveshell.py in enable_matplotlib(self, gui)
   2954         # Now we must activate the gui pylab wants to use, and fix %run to take
   2955         # plot updates into account
-> 2956         self.enable_gui(gui)
   2957         self.magics_manager.registry['ExecutionMagics'].default_runner = \
   2958             pt.mpl_runner(self.safe_execfile)

C:\Users\EMGroup\AppData\Local\HyperSpy WinPython Bundle 0.8.4\python-3.4.4.amd64\lib\site-packages\ipykernel\zmqshell.py in enable_gui(gui)
    380         from .eventloops import enable_gui as real_enable_gui
    381         try:
--> 382             real_enable_gui(gui)
    383         except ValueError as e:
    384             raise UsageError("%s" % e)

C:\Users\EMGroup\AppData\Local\HyperSpy WinPython Bundle 0.8.4\python-3.4.4.amd64\lib\site-packages\ipykernel\eventloops.py in enable_gui(gui, kernel)
    270     loop = loop_map[gui]
    271     if loop and kernel.eventloop is not None and kernel.eventloop is not loop:
--> 272         raise RuntimeError("Cannot activate multiple GUI eventloops")
    273     kernel.eventloop = loop

RuntimeError: Cannot activate multiple GUI eventloops