# rpm -ivh ninja-ide-2.0_beta3-2.noarch.rpm
error: Failed dependencies:
PyQt4 is needed by ninja-ide-2.0_beta3-2.noarch
error: Failed dependencies:
PyQt4 is needed by ninja-ide-2.0_beta3-2.noarch
Then, do this:
# rpm -ivh --nodeps ninja-ide-2.0_beta3-2.noarch.rpm
It is PythonQt4 for openSUSE.