Have you added /usr/share/sip
to your PYTHONPATH
environment variable?
Do you have a good reason not to use the existing packages? It will make maintenance/upgrading/installing other packages with dependencies a lot simpler.
[chickpea ~/src/python]$ sudo apt-get install python3-pyqt4.qsci
...
The following extra packages will be installed:
libqscintilla2-9 libqscintilla2-translations
The following NEW packages will be installed:
libqscintilla2-9 libqscintilla2-translations python3-pyqt4.qsci
0 upgraded, 3 newly installed, 0 to remove
...
[chickpea ~/src/python]$ ipython3
[python/ 1 ]& from PyQt4 import Qsci
[python/ 2 ]& Qsci.QSCINTILLA_VERSION_STR
Out[2]: '2.7.1'