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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _compile_qt_resources():
 """ Compiles PyQT resources file """

    if config.QT_RES_SRC():
        epab.utils.ensure_exe('pyrcc5')
        LOGGER.info('compiling Qt resources')
        elib_run.run(f'pyrcc5 {config.QT_RES_SRC()} -o {config.QT_RES_TGT()}')