Fix issue #391

doc/source/changelog.rst

@@ -25,6 +25,8 @@ organisation on `GitHub <https://github.com/openbiosim/sire>`__.
 
 * Fix recursion bug in :func:`sire.base.wrap()` function.
 
+* Fix :meth:`Dynamics.get_rest2_scale()` method.
+
 `2025.3.0 <https://github.com/openbiosim/sire/compare/2025.2.0...2025.3.0>`__ - November 2025
 ---------------------------------------------------------------------------------------------
 

src/sire/mol/_dynamics.py

@@ -762,6 +762,15 @@ def integrator(self):
         else:
             return self._omm_mols.getIntegrator()
 
+    def get_rest2_scale(self):
+        """
+        Return the current REST2 scaling factor.
+        """
+        if self.is_null():
+            return None
+        else:
+            return self._omm_mols.get_rest2_scale()
+
     def info(self):
         if self.is_null():
             return None
@@ -1922,16 +1931,8 @@ def get_rest2_scale(self):
         """
         Return the current REST2 scaling factor.
         """
-        if self.is_null():
-            return None
         return self._d.get_rest2_scale()
 
-    def set_rest2_scale(self, rest2_scale: float):
-        """
-        Set the current REST2 scaling factor.
-        """
-        self._d.set_rest2_scale(rest2_scale=rest2_scale)
-
     def ensemble(self):
         """
         Return the ensemble in which the simulation is being performed