diff --git a/src/modules/packages/main.py b/src/modules/packages/main.py
index ed5fb782d..38e081069 100644
--- a/src/modules/packages/main.py
+++ b/src/modules/packages/main.py
@@ -99,7 +99,9 @@ class PackageManager:
         elif self.backend == "zypp":
             check_target_env_call(["zypper", "update"])
         elif self.backend == "urpmi":
-            check_target_env_call(["urpmi.update", "-a"]) elif self.backend == "apt": check_target_env_call(["apt-get", "update"])
+            check_target_env_call(["urpmi.update", "-a"])
+        elif self.backend == "apt":
+            check_target_env_call(["apt-get", "update"])
         elif self.backend == "pacman":
             check_target_env_call(["pacman", "-Sy"])
         elif self.backend == "portage":
@@ -107,6 +109,10 @@ class PackageManager:
         elif self.backend == "entropy":
             check_target_env_call(["equo", "update"])
 
+    def run(self, script):
+        if script != "":
+            check_target_env_call(scrtip.split(" "))
+
 
 def subst_locale(list):
     ret = []
@@ -146,7 +152,7 @@ def run_operations(pkgman, entry):
                         pkgman.install([package["package"]])
                         pkgman.run(package["post-script"])
                     except subprocess.CalledProcessError:
-                        libcalamares.utils.debug("WARNING: could not install packages {}", package["package"])
+                        libcalamares.utils.debug("WARNING: could not install packages {}".format(package["package"]))
             else:
                 try:
                     pkgman.install(entry[key])