fix rmsprop_ yaml bug (#49026)

* fix rmsprop_ yaml bug

python/paddle/optimizer/rmsprop.py

@@ -12,7 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from paddle import _C_ops
+
 from ..fluid import framework
+from ..fluid.framework import in_dygraph_mode
 from .optimizer import Optimizer
 
 __all__ = []
@@ -216,6 +219,22 @@ class RMSProp(Optimizer):
         mean_grad_acc = self._get_accumulator(
             self._mean_grad_acc_str, param_and_grad[0]
         )
+
+        if in_dygraph_mode():
+            _C_ops.rmsprop_(
+                param_and_grad[0],
+                mean_square_acc,
+                param_and_grad[1],
+                momentum_acc,
+                self._create_param_lr(param_and_grad),
+                mean_grad_acc,
+                self._epsilon,
+                self._rho,
+                self._momentum,
+                self._centered,
+            )
+            return None
+        else:
             rmsprop_op = block.append_op(
                 type=self.type,
                 inputs={