diff --git a/readme.md b/readme.md
index b1ea174..8d53d3c 100644
--- a/readme.md
+++ b/readme.md
@@ -69,45 +69,44 @@ from various contexts of CA, CI and OCI / OS.
 
 ### Latest
 
-| os | https | updt-ca | python | graphviz | plantuml | shellcheck | shunit | shfmt |
-|:----------------|---|---|------------:|------:|-----------:|------:|------:|-----:|
-| Arch 20240818   | ☑ | ☑ |        3.12 | 12.0  |  1.2023.13 |  0.10 | 2.1.8 |  3.8 |
-| Alpine 3.20     | ☑ | ☐ |        3.12 |  9.0  |  1.2024.4  |  0.10 | 2.1.8 |  3.8 |
-| Fedora 40       | ☑ | ☑ | 3.12 → 3.13 |  9.0  |  1.2024.6  |  0.9  | 2.1.6 |  3.7 |
-| Debian Bookworm | ☐ | ☐ |        3.11 |  2.42 |  1.2020.2  |  0.9  | 2.1.8 |  3.6 |
-| OpenSUSE 15.6   | ☐ | ☑ | 3.6  → 3.12 |  2.48 |  1.2020.9  |  0.8  | 2.1.6 |  3.5 |
-| Ubuntu Noble    | ☐ | ☐ |        3.12 | u2.42 | u1.2020.2  | u0.9  | 2.1.8 | u3.8 |
-| Alma / Rocky 9  | ☑ | ☑ | 3.9  → 3.12 |  2.44 | e1.2024.6  | e0.8  |   git |      |
+| os | https | updt-ca | python | graphviz | plantuml | shellcheck | shfmt | shunit |
+|:----------------|---|---|------------:|------:|-----------:|------:|-----:|------:|
+| Arch 20240818   | ☑ | ☑ |        3.12 | 12.0  |  1.2023.13 |  0.10 |  3.8 | 2.1.8 |
+| Alpine 3.20     | ☑ | ☐ |        3.12 |  9.0  |  1.2024.4  |  0.10 |  3.8 | 2.1.8 |
+| Fedora 40       | ☑ | ☑ | 3.12 → 3.13 |  9.0  |  1.2024.6  |  0.9  |  3.7 | 2.1.6 |
+| Debian Bookworm | ☐ | ☐ |        3.11 |  2.42 |  1.2020.2  |  0.9  |  3.6 | 2.1.8 |
+| OpenSUSE 15.6   | ☐ | ☑ | 3.6  → 3.12 |  2.48 |  1.2020.9  |  0.8  |  3.5 | 2.1.6 |
+| Ubuntu Noble    | ☐ | ☐ |        3.12 | u2.42 | u1.2020.2  | u0.9  | u3.8 | 2.1.8 |
+| Alma / Rocky 9  | ☑ | ☑ | 3.9  → 3.12 |  2.44 | e1.2024.6  | e0.8  |      |       |
 
 ### Previous
 
-| os | https | updt-ca | python | graphviz | plantuml | shellcheck | shunit | shfmt |
-|:----------------|---|---|------------:|------:|-----------:|------:|------:|-----:|
-| Alpine 3.19     | ☑ | ☐ |        3.11 |  9.0  |  1.2023.12 |  0.9  | 2.1.8 |  3.7 |
-| Fedora 39       | ☑ | ☑ | 3.12 → 3.13 |  8.1  |  1.2024.6  |  0.9  | 2.1.6 |  3.5 |
-| OpenSUSE 15.5   | ☐ | ☑ | 3.6  → 3.11 |  2.48 |  1.2020.9  |  0.8  | 2.1.6 |  3.5 |
-| Alma / Rocky 8  | ☑ | ☑ | 3.6  → 3.12 |  2.40 | e1.2024.6  | e0.6  |   git |      |
+| os | https | updt-ca | python | graphviz | plantuml | shellcheck | shfmt | shunit |
+|:----------------|---|---|------------:|------:|-----------:|------:|-----:|------:|
+| Alpine 3.19     | ☑ | ☐ |        3.11 |  9.0  |  1.2023.12 |  0.9  |  3.7 | 2.1.8 |
+| Fedora 39       | ☑ | ☑ | 3.12 → 3.13 |  8.1  |  1.2024.6  |  0.9  |  3.5 | 2.1.6 |
+| OpenSUSE 15.5   | ☐ | ☑ | 3.6  → 3.11 |  2.48 |  1.2020.9  |  0.8  |  3.5 | 2.1.6 |
+| Alma / Rocky 8  | ☑ | ☑ | 3.6  → 3.12 |  2.40 | e1.2024.6  | e0.6  |      |       |
 
 ### Older Python
 
-| os | https | updt-ca | python | graphviz | plantuml | shellcheck | shunit | shfmt |
-|:----------------|---|---|------------:|------:|-----------:|------:|------:|-----:|
-| Ubuntu Jammy    | ☐ | ☐ |        3.10 | u2.42 | u1.2020.2  | u0.8  | 2.1.6 | u3.4 |
-| Debian Bullseye | ☐ | ☐ |        3.9  |  2.42 |  1.2020.2  |  0.7  | 2.1.6 |      |
+| os | https | updt-ca | python | graphviz | plantuml | shellcheck | shfmt | shunit |
+|:----------------|---|---|------------:|------:|-----------:|------:|-----:|------:|
+| Ubuntu Jammy    | ☐ | ☐ |        3.10 | u2.42 | u1.2020.2  | u0.8  | u3.4 | 2.1.6 |
+| Debian Bullseye | ☐ | ☐ |        3.9  |  2.42 |  1.2020.2  |  0.7  |      | 2.1.6 |
 
 ## Tasks
 
 * try git repo url variable first for shunit
-* turn readme into documentation
 
 ### sh
 
-* fit banner to text
+* implement substeps
 * review repositories handling for systems
   * opensuse
     * codecs repository
     * disable & enable https
-* write unit tests
+* write tests
 
 ### sh → py
 
@@ -116,11 +115,11 @@ from various contexts of CA, CI and OCI / OS.
   * epel
     * plantuml
     * shellcheck
+    * shunit | bats
   * graphviz
   * openssh
   * rsync
   * shfmt
-  * shunit
 * python virtual environment
   * install system package
   * configure pip
@@ -136,10 +135,9 @@ from various contexts of CA, CI and OCI / OS.
   * .sh
     * maximum line length
 * detect ssh private key type
-* fit banner to text
 * implement substeps
 * list sys.path
 * set workflow templates
   * actions
   * includes
-* write unit tests
+* write tests
diff --git a/spcd.sh b/spcd.sh
index b954910..9301941 100644
--- a/spcd.sh
+++ b/spcd.sh
@@ -669,24 +669,24 @@ spcd_install_git() {
 spcd_install_python() {
     spcd_step "Install Python"
     spcd_install_package "${SPCD_PYTHON_PACKAGE}"
-    spcd_substep "Link alias to command"
+    spcd_split
     spcd_ln_python "${SPCD_PYTHON_COMMAND}"
     # venv
-    spcd_substep "Install virtual environment"
+    spcd_step "Install Python virtual environment"
     case "${SPCD_OS_ID}" in
     "${SPCD_OS_DEBIAN}" | "${SPCD_OS_UBUNTU}")
         spcd_install_package "python3-venv"
         ;;
     *) ;;
     esac
-    spcd_substep "Configure PIP"
+    spcd_split
     spcd_write "/etc/pip.conf" "\
 [global]
 index-url = ${SPCD_URL_PYTHON}
 "
-    spcd_substep "Create virtual environment"
+    spcd_split
     "${SPCD_PYTHON_ALIAS}" -m "venv" "${SPCD_PYTHON_VENV}"
-    spcd_substep "Activate virtual environment"
+    spcd_split
     export PATH="${SPCD_PYTHON_VENV_BINARIES}:${PATH}"
     export VIRTUAL_ENV="${SPCD_PYTHON_VENV}"
 }