Fix module count in parse_model (#4379)

Co-authored-by: yangyuantao <yangyuantao@transai.cn>

models/yolo.py

@@ -234,7 +234,7 @@ def parse_model(d, ch):  # model_dict, input_channels(3)
             except:
                 pass
 
-        n = max(round(n * gd), 1) if n > 1 else n  # depth gain
+        n = n_ = max(round(n * gd), 1) if n > 1 else n  # depth gain
         if m in [Conv, GhostConv, Bottleneck, GhostBottleneck, SPP, DWConv, MixConv2d, Focus, CrossConv, BottleneckCSP,
                  C3, C3TR, C3SPP]:
             c1, c2 = ch[f], args[0]
@@ -264,7 +264,7 @@ def parse_model(d, ch):  # model_dict, input_channels(3)
         t = str(m)[8:-2].replace('__main__.', '')  # module type
         np = sum([x.numel() for x in m_.parameters()])  # number params
         m_.i, m_.f, m_.type, m_.np = i, f, t, np  # attach index, 'from' index, type, number params
-        LOGGER.info('%3s%18s%3s%10.0f  %-40s%-30s' % (i, f, n, np, t, args))  # print
+        LOGGER.info('%3s%18s%3s%10.0f  %-40s%-30s' % (i, f, n_, np, t, args))  # print
         save.extend(x % i for x in ([f] if isinstance(f, int) else f) if x != -1)  # append to savelist
         layers.append(m_)
         if i == 0: