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8 I get the following error after having upgraded to Spyder 5 No QCoreApplication instance found. Application patches not applied. You have to call load_stylesheet function after instantiation of QApplication to take effect. The interface also looks 'not nice' (I am guessing without the stylesheet). Downgrading to Spyder 4 causes everything to appear in a single column (Code area, console, variable explorer etc, all one below other with ugly overlap to make it unusable). How do I go about fixing this? spyder Share ...

37 2 I have just updated my spyder4 to spyder5 as: conda update spyder as I try to launch spyder it gives an Error : No module named 'qdarkstyle.colorsystem' Here is the complete information : Traceback (most recent call last): File "/home/sina/anaconda3/envs/py37/bin/spyder", line 11, in <module> sys.exit(main()) File "/home/sina/anaconda3/envs/py37/lib/python3.7/site-packages/spyder/app/start.py", line 210, in main from spyder.app import mainwindow File "/home/sina/anaconda3/envs/py37/lib/python3.7/site-packages/spyder/app/mainwindow.py", line 72, in <module> from spyder.app import tour File "/home/sina/anaconda3/envs/py37/lib/python3.7/site-packages/spyder/app/tour.py", line 37, in ...