Unwrap Python strings to Java strings

Author: ctrueden

src/main/java/org/scijava/plugins/scripting/jython/JythonScriptLanguage.java

@@ -35,6 +35,7 @@
 
 import org.python.core.PyNone;
 import org.python.core.PyObject;
+import org.python.core.PyString;
 import org.scijava.plugin.Plugin;
 import org.scijava.script.AdaptedScriptLanguage;
 import org.scijava.script.ScriptLanguage;
@@ -67,6 +68,9 @@ public Object decode(final Object object) {
 			final Class<?> javaType = pyObj.getType().getProxyType();
 			if (javaType != null) return pyObj.__tojava__(javaType);
 		}
+		if (object instanceof PyString) {
+			return ((PyString) object).getString();
+		}
 		return object;
 	}