clean up C pointers when we clone the robot

petercorke · petercorke · commit a2926e96e072 · 2020-09-13T21:00:10.000+10:00
diff --git a/roboticstoolbox/robot/Dynamics.py b/roboticstoolbox/robot/Dynamics.py
@@ -331,6 +331,7 @@ def nofriction(self, coulomb=True, viscous=False):
 
         # shallow copy the robot object
         nf = copy.copy(self)
+        nf.delete_rne()  # remove the inherited C pointers
         nf.name = 'NF/' + self.name
 
         # add the modified links (copies)
