!3105 modify RCAN scripts

Merge pull request !3105 from 邓卓/modify-networks

research/cv/RCAN/src/rcan_model.py

@@ -86,11 +86,12 @@ class Upsampler(nn.Cell):
         """rcan"""
         super(Upsampler, self).__init__()
         m = []
-        if (scale & (scale - 1)) == 0:
-            for _ in range(int(math.log(scale, 2))):
-                m.append(SmallUpSampler(conv, 2, n_feats, has_bias=has_bias))
-        elif scale == 3:
-            m.append(SmallUpSampler(conv, 3, n_feats, has_bias=has_bias))
+        for s in scale:
+            if (s & (s - 1)) == 0:
+                for _ in range(int(math.log(s, 2))):
+                    m.append(SmallUpSampler(conv, 2, n_feats, has_bias=has_bias))
+            elif s == 3:
+                m.append(SmallUpSampler(conv, 3, n_feats, has_bias=has_bias))
         self.net = nn.SequentialCell(m)
 
     def construct(self, x):