iPython, loading bokeh javascript hangs

bokeh is a python graphing package that loads java script into the iPython browser.
  http://bokeh.pydata.org/en/latest/

These commands load the boken javascript file into the iPhython notebook.
These command hangs while consuming lots of CPU

  from bokeh.io import output_notebook
  output_notebook()
  
Is there a workaround or is javascript not supported in the PyCharm iPython notebook?