check weight shape of conv1d_transpose (#49417)

* check weight shape of conv1d_transpose

* add unittest case

python/paddle/fluid/tests/unittests/test_functional_conv1d_transpose.py

@@ -70,5 +70,17 @@ class TestFunctionalConv1DErrorCase1(TestFunctionalConv1DError):
         self.data_format = "NCL"
 
 
+class TestFunctionalConv1DErrorCase2(TestFunctionalConv1DError):
+    def setUp(self):
+        self.input = np.random.randn(1, 3, 3)
+        self.filter = np.random.randn(3)
+        self.bias = None
+        self.padding = 0
+        self.stride = 1
+        self.dilation = 1
+        self.groups = 1
+        self.data_format = "NCL"
+
+
 if __name__ == "__main__":
     unittest.main()

python/paddle/nn/functional/conv.py

@@ -984,6 +984,13 @@ def conv1d_transpose(
             )
         )
 
+    if len(weight.shape) != 3:
+        raise ValueError(
+            'Input weight should be 3D tensor, but received weight with the shape of {}'.format(
+                weight.shape
+            )
+        )
+
     op_type = 'conv2d_transpose'
     num_filters = weight.shape[1]
     if (