update empty api to support complex dtype at static mode (#51377)

* update empty api to support compex dtype at static mode

* code style

* code style

* 补充注释里的类型描述

python/paddle/tensor/creation.py

@@ -1734,7 +1734,7 @@ def empty(shape, dtype=None, name=None):
             If ``shape`` is a list or tuple, each element of it should be integer or 0-D Tensor with shape [].
             If ``shape`` is an Tensor, it should be an 1-D Tensor which represents a list.
         dtype(np.dtype|str, optional): Data type of the output Tensor
-            which can be bool, float16, float32, float64, int32, int64, if dytpe is `None`, the data
+            which can be bool, float16, float32, float64, int32, int64, complex64, complex128 if dytpe is `None`, the data
             type of created Tensor use global default dtype (see ``get_default_dtype``
             for details).
         name(str, optional): For details, please refer to :ref:`api_guide_Name`. Generally, no setting is required. Default: None.
@@ -1787,7 +1787,16 @@ def empty(shape, dtype=None, name=None):
         check_dtype(
             dtype,
             'dtype',
-            ['bool', 'float16', 'float32', 'float64', 'int32', 'int64'],
+            [
+                'bool',
+                'float16',
+                'float32',
+                'float64',
+                'int32',
+                'int64',
+                'complex64',
+                'complex128',
+            ],
             'empty',
         )
         check_type(shape, 'shape', (Variable, list, tuple), 'empty')