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java.lang.IllegalArgumentException: Cannot create PyString with non-byte value
java.lang.IllegalArgumentException: java.lang.IllegalArgumentException: Illegal group reference	at org.python.core.Py.JavaError(	at org.python.core.Py.JavaError(	at org.python.core.PyReflectedFunction.__call__(	at org.python.core.PyObject.__call__(	at org.python.core.PyMethod.__call__(	at org.python.core.PyMethod.instancemethod___call__(	at org.python.core.PyMethod.__call__(	at org.python.core.PyObject.__call__(	at org.python.core.PyObject.__call__(