Prefer get_rna_type() since it doesn't leak memory

development_edit_operator.py

@@ -43,7 +43,7 @@ def get_py_class_from_op(opname):
     opid = opname.split(".")
     opmod = getattr(bpy.ops, opid[0])
     op = getattr(opmod, opid[1])
-    id = op.get_rna().bl_rna.identifier
+    id = op.get_rna_type().identifier
     # C operators won't be added
     return getattr(bpy.types, id, None)
 

io_export_paper_model.py

@@ -2357,7 +2357,7 @@ class AddPresetPaperModel(bl_operators.presets.AddPresetBase, bpy.types.Operator
     @property
     def preset_values(self):
         op = bpy.ops.export_mesh.paper_model
-        properties = op.get_rna().bl_rna.properties.items()
+        properties = op.get_rna_type().properties.items()
         blacklist = bpy.types.Operator.bl_rna.properties.keys()
         return [
             "op.{}".format(prop_id) for (prop_id, prop) in properties