!7289 [Revert Code]Revert python code in array_ops.py

Merge pull request !7289 from caifubi/dynamic_shape

mindspore/ops/operations/array_ops.py

@@ -431,7 +431,7 @@ class Reshape(PrimitiveWithInfer):
         return out
 
 
-class Shape(Primitive):
+class Shape(PrimitiveWithInfer):
     """
     Returns the shape of input tensor.
 
@@ -453,6 +453,13 @@ class Shape(Primitive):
     def __init__(self):
         """Initialize Shape"""
 
+    def __infer__(self, x):
+        validator.check_subclass("input_x", x['dtype'], mstype.tensor, self.name)
+        out = {'shape': (),
+               'dtype': mstype.tuple_,
+               'value': tuple(x['shape'])}
+        return out
+
 
 class DynamicShape(Primitive):
     """