Add enum value to Python API

Author: franzpoeschel

src/binding/python/IterationEncoding.cpp

@@ -31,5 +31,6 @@ void init_IterationEncoding(py::module &m) {
     py::enum_<IterationEncoding>(m, "Iteration_Encoding")
         .value("file_based", IterationEncoding::fileBased)
         .value("group_based", IterationEncoding::groupBased)
+        .value("step_based", IterationEncoding::stepBased)
     ;
 }