Driver desvar debug_print should print unflattened value.

openmdao/core/driver.py

@@ -1051,6 +1051,12 @@ def _pre_run_model_debug_print(self):
             if not MPI or MPI.COMM_WORLD.rank == 0:
                 print("Design Vars")
                 if desvar_vals:
+
+                    # Print desvars in non_flattened state.
+                    meta = self._problem.model._var_allprocs_abs2meta
+                    for name in desvar_vals:
+                        shape = meta[name]['shape']
+                        desvar_vals[name] = desvar_vals[name].reshape(shape)
                     pprint.pprint(desvar_vals)
                 else:
                     print("None")

openmdao/core/tests/test_driver.py

@@ -383,5 +383,38 @@ def test_debug_print_response_physical(self):
         self.assertEqual(output[3], "{'con.c': array([ 1.])}")
         self.assertEqual(output[6], "{'comp.f_xy': array([ 7622.])}")
 
+    def test_debug_desvar_shape(self):
+        # Desvar should always be printed un-flattened.
+
+        prob = Problem()
+        model = prob.model
+
+        model.add_subsystem('p', IndepVarComp('x', val=np.array([[1.0, 3, 4], [7, 2, 5]])))
+
+        model.add_design_var('p.x', np.array([[1.0, 3, 4], [7, 2, 5]]))
+        prob.driver.options['debug_print'] = ['desvars']
+
+        prob.setup()
+
+        stdout = sys.stdout
+        strout = StringIO()
+        sys.stdout = strout
+
+        try:
+            # formatting has changed in numpy 1.14 and beyond.
+            if LooseVersion(np.__version__) >= LooseVersion("1.14"):
+                with printoptions(precision=2, legacy="1.13"):
+                    prob.run_driver()
+            else:
+                with printoptions(precision=2):
+                    prob.run_driver()
+        finally:
+            sys.stdout = stdout
+
+        output = strout.getvalue().split('\n')
+
+        self.assertEqual(output[3], "{'p.x': array([[ 1.,  3.,  4.],")
+        self.assertEqual(output[4], '       [ 7.,  2.,  5.]])}')
+
 if __name__ == "__main__":
     unittest.main()