diff -up ./script/build-shell-completions.sh.orig ./script/build-shell-completions.sh

--- ./script/build-shell-completions.sh.orig	2022-11-14 14:36:23.000000000 +0100

+++ ./script/build-shell-completions.sh	2022-11-17 22:18:16.298216762 +0100

@@ -13,14 +13,14 @@ declare -A COMPLETIONS=(

 )

 for dep in "${PYTHON_DEPS[@]}"; do

-  python -c "import ${dep}" 2>&1 >/dev/null \

+  python3 -c "import ${dep}" 2>&1 >/dev/null \

     || { echo >&2 "${dep} could not be found in your python environment"; exit 1; }

 done

 for shell in "${!COMPLETIONS[@]}"; do

   mkdir -p "${DIST}/${shell}"

   dist="${DIST}/${shell}/${COMPLETIONS[${shell}]}"

-  python -m shtab \

+  python3 -m shtab \

     "--shell=${shell}" \

     --error-unimportable \

     streamlink_cli.main.parser_helper \