Fix bash syntax error.

Scripts/downscale.sh

@@ -21,7 +21,7 @@ for loss in ${LOSS[@]}; do
     # iterate over weight decay values
     for lambda in ${LAMBDA[@]}; do
         # change weight regularization in configuration
-        sed -i "s/LAMBDA\s*=.*/LAMBDA=$lambda)/" ./climax/main/config.py
+        sed -i "s/LAMBDA\s*=.*/LAMBDA=$lambda/" ./climax/main/config.py
 
         # run downscaling
         # python climax/main/downscale.py