!11845 check wrapper layer timedistributed input type

From: @dinglongwei
Reviewed-by: @c_34,@liangchenghui
Signed-off-by: @c_34

mindspore/nn/layer/timedistributed.py

@@ -17,6 +17,7 @@
 from mindspore.ops.primitive import constexpr, Primitive
 from mindspore.ops import Reshape, Transpose, Pack, Unpack
 from mindspore.common import Tensor
+from mindspore._checkparam import Validator
 from ..cell import Cell
 
 __all__ = ['TimeDistributed']
@@ -69,13 +70,13 @@ class TimeDistributed(Cell):
     Args:
         layer(Union[Cell, Primitive]): The Cell or Primitive which will be wrapped.
         time_axis(int): The axis of time_step.
-        reshape_with_axis(int): The axis which time_axis will be reshaped with. Default: 'None'.
+        reshape_with_axis(int): The axis which time_axis will be reshaped with. Default: None.
 
     Inputs:
         - **input** (Tensor) - Tensor of shape :math:`(N, T, *)`.
 
     Outputs:
-        Tensor of shape: math:'(N, T, *)'
+        Tensor of shape :math:`(N, T, *)`
 
     Supported Platforms:
         ``Ascend`` ``GPU`` ``CPU``
@@ -97,6 +98,9 @@ class TimeDistributed(Cell):
             raise TypeError("Please initialize TimeDistributed with mindspore.nn.Cell or "
                             "mindspore.ops.Primitive instance. You passed: {input}".format(input=layer))
         super(TimeDistributed, self).__init__()
+        Validator.check_is_int(time_axis)
+        if reshape_with_axis is not None:
+            Validator.check_is_int(reshape_with_axis)
         self.layer = layer
         self.time_axis = time_axis
         self.reshape_with_axis = reshape_with_axis