I tried again and the first statements appeared to work ok this time. I 
must have had a typo or split them at the wrong place.  But when I run 
spyder from the command line I get the following errors:

Traceback (most recent call last):
  File 
"/Users/xxxxxxx/anaconda3/envs/py36/lib/python3.6/site-packages/qtpy/QtWebEngineWidgets.py",
 
line 22, in <module>
    from PyQt5.QtWebEngineWidgets import QWebEnginePage
ImportError: 
dlopen(/Users/xxxxxxxx/anaconda3/envs/py36/lib/python3.6/site-packages/PyQt5/QtWebEngineWidgets.so,
 
2): Library not loaded: @rpath/libQt5WebEngineWidgets.5.dylib
  Referenced from: 
/Users/jxxxxxxxx/anaconda3/envs/py36/lib/python3.6/site-packages/PyQt5/QtWebEngineWidgets.so
  Reason: image not found

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/xxxxxxxxx/anaconda3/envs/py36/bin/spyder", line 11, in 
<module>
    sys.exit(main())
  File 
"/Users/xxxxxxxxxanaconda3/envs/py36/lib/python3.6/site-packages/spyder/app/start.py",
 
line 179, in main
    from spyder.app import mainwindow
  File 
"/Users/xxxxxxxxx/anaconda3/envs/py36/lib/python3.6/site-packages/spyder/app/mainwindow.py",
 
line 92, in <module>
    from qtpy import QtWebEngineWidgets  # analysis:ignore
  File 
"/Users/xxxxxxxxx/anaconda3/envs/py36/lib/python3.6/site-packages/qtpy/QtWebEngineWidgets.py",
 
line 26, in <module>
    from PyQt5.QtWebKitWidgets import QWebPage as QWebEnginePage
ModuleNotFoundError: No module named 'PyQt5.QtWebKitWidgets'


I'm sure this is something on my end but I hope you can tell me what I'm 
doing wrong.




On Monday, August 13, 2018 at 8:03:20 PM UTC-4, me.com wrote:
>
> When I tried installing Spyder 4 beta using
>
> conda update qt pyqt conda install -c spyder-ide spyder=4.0.0b1 
>
> I just received a bunch of error messages.
>
> So I tried:
>
> pip install --pre -U spyder
>
> This failed too...
>
>  

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