title: can't perform this operation for unregistered loader type
body: <p>I'm using bokeh for data visualization, and trying to make an executable but it shows an error message of "can't perform this operation for unregistered loader type"</p>
  
  <p>I have tried as a solution of <strong>init</strong>.py to the directory (+subdir) of my script.py, but it's not work.</p>
  
  <p>PS. Win10, Python 3.6.3, pyinstaller 3.4, bokeh 0.12.13</p>
  
  <p>Code: </p>
  
  <pre><code>from bokeh.plotting import figure, show
  
  p = figure(width=800, height=400, title="Money")
  p.title.text_color = "green"
  p.title.text_font_size = "18pt"
  p.xaxis.axis_label = "Time"
  p.xaxis.axis_label_text_color = "violet"
  p.yaxis.axis_label = "Money"
  p.yaxis.axis_label_text_color = "violet"
  dashs = [12, 4]
  listx1 = [1,5,7,9,13,16]
  listy1 = [15,50,80,40,70,50]
  p.line(listx1, listy1, line_width=4, line_color="red", line_alpha=0.3, line_dash=dashs, legend="Idle")
  
  show(p)
  </code></pre>
  
  <p>Error message:
  <a href="https://i.stack.imgur.com/TOWKC.jpg" rel="nofollow noreferrer">enter image description here</a></p>
  
  <p>Thx in advance for your help</p>