ImportError No module named PyQt4

Question

I installed pyqt4 by using Homebrew  But when I import PyQt4 in python interpreter  It said that  No module named PyQt4   Can somebody help me with that

User · Answer

You have to check which Python you are using. I had the same problem because the Python I was using was not the same one that brew was using. In your command line:

which python
output: /usr/bin/python
which brew
output: /usr/local/bin/brew //so they are different
cd /usr/local/lib/python2.7/site-packages
ls //you can see PyQt4 and sip are here
Now you need to add usr/local/lib/python2.7/site-packages to your python path.
open ~/.bash_profile //you will open your bash_profile file in your editor
Add 'export PYTHONPATH=/usr/local/lib/python2.7/site-packages:$PYTHONPATH' to your bash file and save it
Close your terminal and restart it to reload the shell
python
import PyQt4 // it is ok now

User · Answer

If you re using Anaconda to manage Python on your system  you can install it with     conda install pyqt 4  Omit the  4 to install the most current version   Answer from How to install PyQt4 in anaconda

User · Answer

It is likely that you are running the python executable from  usr bin  Apple version  instead of  usr loca bin  Brew version   You can either   a  check your PATH variable  or   b  run brew doctor  or   c  run which python  to check if it is the case

User · Answer

After brew install pyqt  you can brew test pyqt which will use the python you have got in your PATH in oder to do the test  show a Qt window    For non-brewed Python  you ll have to set your PYTHONPATH as brew info pyqt will tell   Sometimes it is necessary to open a new shell or tap in order to use the freshly brewed binaries   I frequently check these issues by printing the sys path from inside of python  python -c  import sys  print sys path   The   brew --prefix  lib pythonX Y site-packages have to be in the sys path in order to be able to import stuff  As said  for brewed python  this is default but for any other python  you will have to set the PYTHONPATH

User · Answer

I solved the same problem for my own program by installing python3-pyqt4   I m not using Python 3 but it still helped

[python] ImportError: No module named PyQt4

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