!32475 set inputs bug fix 1.7

Merge pull request !32475 from Henry Shi/branch_sxy_7

mindspore/python/mindspore/nn/cell.py

@@ -893,11 +893,11 @@ class Cell(Cell_):
             >>>
             >>> context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
             >>> class reluNet(nn.Cell):
-            >>>     def __init__(self):
-            >>>         super(reluNet, self).__init__()
-            >>>         self.relu = nn.ReLU()
-            >>>     def construct(self, x):
-            >>>         return self.relu(x)
+            ...     def __init__(self):
+            ...         super(reluNet, self).__init__()
+            ...         self.relu = nn.ReLU()
+            ...     def construct(self, x):
+            ...         return self.relu(x)
             >>>
             >>> net = reluNet()
             >>> input_dyn = Tensor(shape=[3, None], dtype=ms.float32)
@@ -909,9 +909,11 @@ class Cell(Cell_):
             This is an experimental interface that is subject to change or deletion.
         """
 
+        for ele in self._dynamic_shape_inputs:
+            if isinstance(ele, (str, int, dict)):
+                raise TypeError(f"For element in 'set_inputs', the type must be Tensor,\
+                     but got {type(ele)}.")
         self._dynamic_shape_inputs = inputs
-        if isinstance(self._dynamic_shape_inputs[0], (str, int, dict)):
-            raise TypeError(f"For 'set_inputs, the type must be tuple, but got {type(self._dynamic_shape_inputs[0])}.")
 
     def get_inputs(self):
         """