Traceback (most recent call last):


 "<stdin>", line 163, in <module>


 "/Users/mav/dev/python/bokeh/bokeh/server/django/__init__.py", line 9, in <module>

import_required("channels", "channels is required by bokeh.server.django")


 "/Users/mav/dev/python/bokeh/bokeh/util/dependencies.py", line 89, in import_required

raise RuntimeError(error_msg) from e
RuntimeError: channels is required by bokeh.server.django

2. No problem if Run it in an external system terminal What is the expected output? What do you see instead? Traceback (most recent call last):

 "D:\untitled12.py", line 18, in <module>
from enthought.traits.ui.wx.editor import Editor

 "c:\Python27\lib\site-packages\enthought\traits\ui\wx__init__.py", line 25, in <module>
import toolkit

 "c:\Python27\lib\site-packages\enthought\traits\ui\wx\toolkit.py", line 2, in <module>
from traitsui.wx.toolkit import *

 "C:\Python27\lib\site-packages\traitsui\wx__init__.py", line 26, in <module>
import toolkit

 "C:\Python27\lib\site-packages\traitsui\wx\toolkit.py", line 28, in <module>
assert_toolkit_import('wx')

 "C:\Python27\lib\site-packages\traitsui\toolkit.py", line 60, in assert_toolkit_import
"backend!" &#37; (name, ETSConfig.toolkit)
RuntimeError: Importing from wx backend after selecting qt4 backend! What version of the product are you using? On what operating system? Python(x,y)2.7.3.1 with Spyder 2.1.11 on Win7(64bit). 