Update src/layers/conv.jl

Co-authored-by: Dhairya Gandhi <dhairya@juliacomputing.com>

Author: jw3126

src/layers/conv.jl

@@ -248,7 +248,7 @@ end
 
 function ConvTranspose(k::NTuple{N,Integer}, ch::Pair{<:Integer,<:Integer}, σ = identity;
                       init = glorot_uniform, stride = 1, pad = 0, dilation = 1,
-                      groups=1,
+                      groups = 1,
                       weight = convfilter(k, reverse(ch); init, groups),
                       bias = true,
                       ) where N