diff --git a/spcd.sh b/spcd.sh
index dbb374d..de5db94 100644
--- a/spcd.sh
+++ b/spcd.sh
@@ -35,7 +35,7 @@ spcd_main() {
 	spcd_install_packages
 	spcd_install_python_modules
 	spcd_write_python_module
-	spcd_switch_to_python "${@}"
+	spcd_switch_to_python
 }
 
 # steps
@@ -707,8 +707,10 @@ ${spcd_ipm__url}
 			exit
 		spcd_ipm__script="${spcd_ipm__root}/${spcd_ipm__name}/spcd.sh"
 		if [ -f "${spcd_ipm__script}" ]; then
-			echo -n "${SPCD}" | sha256sum
-			echo -n "${SPCD}" | wc --bytes
+			spcd_ipm__file="${spcd_ipm__root}/spcd.sh"
+			echo "${SPCD}" > "${spcd_ipm__file}"
+			ls -l "${spcd_ipm__file}"
+			sha256sum "${spcd_ipm__file}"
 			sha256sum "${spcd_ipm__script}"
 		fi
 		spcd_ipm__path="${spcd_ipm__root}/${spcd_ipm__name}/${spcd_ipm__name}"
@@ -747,7 +749,7 @@ spcd_switch_to_python() {
 ${SPCD_PATH}
 ↓
 ${SPCD_PYTHON_PACKAGES}/${spcd_stp__name}"
-	"${SPCD_PYTHON_ALIAS}" -m "${spcd_stp__name}" "${@}"
+	"${SPCD_PYTHON_ALIAS}" -m "${spcd_stp__name}"
 }
 
 # functions
@@ -920,4 +922,4 @@ SPCD___UP="${SPCD_BOX_UP}${SPCD_HORIZONTAL}"
 SPCD_SHUT="${SPCD_BOX_UP}${SPCD_BOX_LEFT}"
 
 # run
-spcd_main "${@}"
+spcd_main