diff --git a/cd.sh b/cd.sh
index fe65ea1..8823326 100644
--- a/cd.sh
+++ b/cd.sh
@@ -544,35 +544,38 @@ cd_clean_packages_cache () {
 }
 
 cd_install_python_modules () {
-local path
-local repository
-local root
-local url
     cd_step "Install Python modules"
-    root="$(mktemp --directory)" || exit
-    echo "→ ${root}"
-    for repository in "${CD_GIT_CHILD}" "${CD_GIT_PARENT}" ; do
+    cd_install_python_modules__root="$(mktemp --directory)" || exit
+    echo "→ ${cd_install_python_modules__root}"
+    for cd_install_python_modules__repository \
+    in "${CD_GIT_CHILD}" "${CD_GIT_PARENT}" ; do
         cd_split
-        url="${CD_PROJECTS_URL}/${repository}"
+        cd_install_python_modules__url="\
+${CD_PROJECTS_URL}/${cd_install_python_modules__repository}"
         echo "\
-${url}
+${cd_install_python_modules__url}
 ↓"
         git clone \
-        "${url}" "${root}/${repository}" \
+        "${cd_install_python_modules__url}" \
+        "${cd_install_python_modules__root}\
+/${cd_install_python_modules__repository}" \
         || exit
-        path="${root}/${repository}/${repository}"
+        cd_install_python_modules__path="\
+${cd_install_python_modules__root}\
+/${cd_install_python_modules__repository}\
+/${cd_install_python_modules__repository}"
         echo "\
-${path}
+${cd_install_python_modules__path}
 ↓
 ${CD_PYTHON_PACKAGES}"
         cp --recursive \
-        "${path}" "${CD_PYTHON_PACKAGES}" \
+        "${cd_install_python_modules__path}" "${CD_PYTHON_PACKAGES}" \
         || exit
     done
     cd_split
     cd_ls "${CD_PYTHON_PACKAGES}"
     cd_split
-    cd_rm "${root}"
+    cd_rm "${cd_install_python_modules__root}"
 }
 
 cd_write_python_module () {