diff --git a/readme.md b/readme.md
index a42983a..e73e9ee 100644
--- a/readme.md
+++ b/readme.md
@@ -86,19 +86,18 @@ from various contexts of CA, CI and OCI / OS.
   * actions
   * includes
 * relay environment module name
-* write tests
 
 ### sh
 
-* support
-  * arch python virtual environment
-  * opensuse operating system
+* support opensuse operating system
+* write tests
 
 ### sh → py
 
 * check file & variable sums
 * install system packages
   * epel
+    * bats
     * plantuml
     * shellcheck
   * graphviz
@@ -115,7 +114,7 @@ from various contexts of CA, CI and OCI / OS.
 ### py
 
 * detect ssh private key type
-* implement project repository cloning
-* lint
+* check
   * .py
   * .sh
+* write tests
diff --git a/spcd.sh b/spcd.sh
index 7557cd7..47cc216 100644
--- a/spcd.sh
+++ b/spcd.sh
@@ -612,8 +612,7 @@ spcd_install_python() {
         spcd_install_package "python3-venv"
         ;;
     "${SPCD_OS_ARCH}")
-        echo "Not supported!"
-        exit 255
+        spcd_install_package "expat"
         ;;
     *) ;;
     esac
@@ -691,6 +690,9 @@ spcd_install_packages() {
         ;;
     *) ;;
     esac
+    # bats
+    spcd_step "Install BATS"
+    spcd_install_package "bats"
     # graphviz
     spcd_step "Install GraphViz"
     spcd_install_package "graphviz"