Editor very slow on Mac Yosemite and El Capitan

Description

What steps will reproduce the problem? When I try to edit any python file there is a noticeable delay for every keystroke. It’s almost unusable. The same issue happens with the Anaconda Spyder and the executable downloaded from GitHub. 1. 2. 3.

What is the expected output? What do you see instead?

Please provide any additional information below

Version and main components

• Spyder Version: 2.3.6
• Python Version: 2.7.10
• Qt Versions: 4.8.6, PyQt4 (API v2) 4.11.3 on Darwin

Optional dependencies

pyflakes >=0.5.0:  0.9.2 (OK)
pep8 >=0.6      :  1.6.2 (OK)
pygments >=1.6  :  2.0.2 (OK)
IPython >=1.0   :  4.0.0 (OK)
zmq >=2.1.11    :  14.7.0 (OK)
qtconsole >=4.0 :  4.0.1 (OK)
pandas >=0.13.1 :  0.16.2 (OK)
sphinx >=0.6.6  :  1.3.1 (OK)
psutil >=0.3    :  2.2.1 (OK)
rope >=0.9.2    :  0.9.4 (OK)
jedi >=0.8.1    :  0.9.0 (OK)
matplotlib >=1.0:  1.4.3 (OK)
sympy >=0.7.3   :  0.7.6 (OK)
pylint >=0.25   :  None (NOK)

[gamehere007]

@ccordoba12

Hi! I followed the instruction. But it is still the same problem that I can not open Navigator once qt5 and pyqt 5 have been installed.

Thanks!

[ccordoba12]

I’m sorry, the series of commands is this:

conda install -c spyder-ide spyder==3.0.0b2
conda uninstall pyqt 
conda uninstall qt
conda install -c spyder-ide pyqt5