Minor fixes to 0_setup.sh

scripts/0_setup.sh

@@ -10,13 +10,13 @@ is_arm64() {
   [ "$(uname -m)" == "arm64" ]
 }
 
-[ is_arm64 ] && echo "Running on Apple M1 chip"
+is_arm64 && echo "Running on Apple M1 chip"
 
 if [ ! -d .dfl/DeepFaceLab ]; then
   echo "Cloning DeepFaceLab"
   git clone --no-single-branch --depth 1 "https://github.com/chychkan/DeepFaceLab.git" .dfl/DeepFaceLab
 
-  if [ is_arm64 ]; then
+  if is_arm64; then
     (cd .dfl/DeepFaceLab; git checkout support-arm64)
   fi
 fi
@@ -38,7 +38,7 @@ if [[ ! -z "$version" && -f "requirements_$version.txt" ]]; then
 fi
 
 architecture_suffix=''
-if [ is_arm64 ] && [ -f "requirements${version_suffix}_arm64.txt" ]; then
+if is_arm64 && [ -f "requirements${version_suffix}_arm64.txt" ]; then
   architecture_suffix="_arm64"
 fi
 
@@ -46,7 +46,7 @@ reqs_file="requirements${version_suffix}${architecture_suffix}.txt"
 
 echo "Using $reqs_file for $(python -V)"
 
-if [ is_arm64 ]; then
+if is_arm64; then
   if [[ -z "$(brew ls --versions hdf5)" ]]; then
     echo "ERROR: HDF5 needs to be installed to run DeepFaceLab on M1 chip."
     echo "You can install it with 'brew install hdf5'. For more details, see https://formulae.brew.sh/formula/hdf5"