diff --git a/opm/parser/eclipse/EclipseState/Schedule/Action/Actions.hpp b/opm/parser/eclipse/EclipseState/Schedule/Action/Actions.hpp
index 5b03ff181..029f8e144 100644
--- a/opm/parser/eclipse/EclipseState/Schedule/Action/Actions.hpp
+++ b/opm/parser/eclipse/EclipseState/Schedule/Action/Actions.hpp
@@ -39,7 +39,7 @@ namespace Action {
 class Actions {
 public:
     Actions() = default;
-    Actions(const std::vector<ActionX>& action);
+    Actions(const std::vector<ActionX>& action, const std::vector<PyAction>& pyactions);
     size_t size() const;
     int max_input_lines() const;
     bool empty() const;
@@ -59,6 +59,7 @@ public:
     void serializeOp(Serializer& serializer)
     {
         serializer.vector(actions);
+        serializer.vector(pyactions);
     }
 
 private:
diff --git a/opm/parser/eclipse/EclipseState/Schedule/Action/PyAction.hpp b/opm/parser/eclipse/EclipseState/Schedule/Action/PyAction.hpp
index 5f462c341..9edfa359b 100644
--- a/opm/parser/eclipse/EclipseState/Schedule/Action/PyAction.hpp
+++ b/opm/parser/eclipse/EclipseState/Schedule/Action/PyAction.hpp
@@ -39,9 +39,11 @@ public:
     static RunCount from_string(std::string run_count);
     static std::string load(const std::string& input_path, const std::string& fname);
 
+    PyAction() = default;
     PyAction(const std::string& name, RunCount run_count, const std::string& code);
     const std::string& code() const;
     const std::string& name() const;
+    bool operator==(const PyAction& other) const;
     PyAction::RunCount run_count() const;
     ~PyAction();
 
@@ -56,11 +58,20 @@ public:
       between invocations.
     */
     void * storage() const;
+
+    template<class Serializer>
+    void serializeOp(Serializer& serializer)
+    {
+        serializer(m_name);
+        serializer(m_run_count);
+        serializer(input_code);
+    }
+
 private:
     std::string m_name;
     RunCount m_run_count;
     std::string input_code;
-    void * m_storage;
+    void * m_storage = nullptr;
 };
 }
 
diff --git a/src/opm/parser/eclipse/EclipseState/Schedule/Action/Actions.cpp b/src/opm/parser/eclipse/EclipseState/Schedule/Action/Actions.cpp
index 526a243d1..3725ddd82 100644
--- a/src/opm/parser/eclipse/EclipseState/Schedule/Action/Actions.cpp
+++ b/src/opm/parser/eclipse/EclipseState/Schedule/Action/Actions.cpp
@@ -25,8 +25,9 @@ namespace Opm {
 namespace Action {
 
 
-Actions::Actions(const std::vector<ActionX>& action)
-    : actions(action)
+Actions::Actions(const std::vector<ActionX>& action, const std::vector<PyAction>& pyactions)
+    : actions(action),
+      pyactions(pyactions)
 {}
 
 
@@ -106,7 +107,8 @@ std::vector<ActionX>::const_iterator Actions::end() const {
 
 
 bool Actions::operator==(const Actions& data) const {
-    return actions == data.actions;
+    return this->actions == data.actions &&
+           this->pyactions == data.pyactions;
 }
 
 }
diff --git a/src/opm/parser/eclipse/EclipseState/Schedule/Action/PyAction.cpp b/src/opm/parser/eclipse/EclipseState/Schedule/Action/PyAction.cpp
index 840da095d..ecdf8460e 100644
--- a/src/opm/parser/eclipse/EclipseState/Schedule/Action/PyAction.cpp
+++ b/src/opm/parser/eclipse/EclipseState/Schedule/Action/PyAction.cpp
@@ -103,6 +103,12 @@ PyAction::~PyAction() {
 #endif
 }
 
+bool PyAction::operator==(const PyAction& other) const {
+    return this->m_name == other.m_name &&
+           this->m_run_count == other.m_run_count &&
+           this->input_code == other.input_code;
+}
+
 
 
 void * PyAction::storage() const {