fix: PyPI package path in check_mirrors.sh

Author: GeeDook

check_mirrors.sh

@@ -7,7 +7,7 @@ declare -A PACKAGE_PATHS=(
   ["Ubuntu"]="ubuntu"
   ["Debian"]="debian"
   ["Arch Linux"]="archlinux"
-  ["PyPI"]="simple"
+  ["PyPI"]="pypi"
   ["npm"]="npm"
   ["CentOS"]="centos"
   ["Alpine"]="alpine"
@@ -61,4 +61,4 @@ for idx in $(seq 0 $(yq e '.mirrors | length - 1' "$MIRROR_FILE")); do
   done
 
   echo "----------------------------"
-done
+done