Traceback (most recent call last):
  File "/home/mbariou/WKSCOMPILE/QGIS/QGIS-final-3_6_0/cmake/FindPyQt5.py", line 34, in <module>
    import PyQt5.pyqtconfig
ModuleNotFoundError: No module named 'PyQt5.pyqtconfig'

/usr/local/py356/lib/python3.5/site-packages/pyqtconfig/config.py

Found SIP version: 4.19.15
Traceback (most recent call last):
File "/home/mbariou/WKSCOMPILE/QGIS/QGIS-final-3_6_0/cmake/FindQsci.py", line 45, in <module>
from PyQt5.Qsci import QSCINTILLA_VERSION_STR
RuntimeError: the sip module implements API v12.0 to v12.5 but the PyQt5.QtCore module requires API v12.6

Qsci sip file not found - disabling bindings for derived classes

RuntimeError: the sip module implements API v12.0 to v12.5 but the PyQt5.QtCore module requires API v12.6