Mini-cleanup of ResNet

Author: shadaj

Models/ImageClassification/ResNet.swift

@@ -47,10 +47,8 @@ public func autoResidualBlock(inputFilters: Int, filters: Int, strides: (Int, In
     var earlyConvs: [AutoConvBN] = []
     let lastConv: AutoConvBN
     if isBasic {
-        earlyConvs = [
-            (autoConvBN(
-                filterShape: (3, 3), outputChannels: filters, strides: strides, padding: .same)),
-        ]
+        earlyConvs.append(
+            autoConvBN(filterShape: (3, 3), outputChannels: filters, strides: strides, padding: .same))
         lastConv = autoConvBN(filterShape: (3, 3), outputChannels: outFilters, padding: .same)
     } else {
         if useLaterStride {