Fix the param of swish (#27824)

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

@@ -2175,7 +2175,7 @@ class TestSwish(TestActivation):
         x = np.random.uniform(-1, 1, [10, 12]).astype(self.dtype)
         out = ref_swish(x)
         self.inputs = {'X': x}
-        self.attrs = {'slope': 1.0}
+        self.attrs = {'beta': 1.0}
         self.outputs = {'Out': out}
 
     def test_check_grad(self):

python/paddle/nn/functional/activation.py

@@ -1183,7 +1183,7 @@ def swish(x, name=None):
     """
 
     if in_dygraph_mode():
-        return core.ops.swish(x, 'slop', 1.0)
+        return core.ops.swish(x, 'beta', 1.0)
 
     check_variable_and_dtype(x, 'x', ['float16', 'float32', 'float64'], 'swish')
     helper = LayerHelper('swish', **locals())
@@ -1192,7 +1192,7 @@ def swish(x, name=None):
         type='swish',
         inputs={'X': x},
         outputs={'Out': out},
-        attrs={'slope': 1.0})
+        attrs={'beta': 1.0})
     return out