[networkcfg] Don't mindlessly PEP8

src/modules/networkcfg/main.py

@@ -98,10 +98,9 @@ def run():
         return (_("Configuration Error"),
                 _("No root mount point is given for <pre>{!s}</pre> to use." ).format("networkcfg"))
 
-    source_nm = "/etc/NetworkManager/system-connections/"
-    target_nm = os.path.join(
-        root_mount_point, "etc/NetworkManager/system-connections/"
-        )
+    nm_connections = "etc/NetworkManager/system-connections/"
+    source_nm = "/" + nm_connections
+    target_nm = os.path.join(root_mount_point, nm_connections)
 
     # Sanity checks.  We don't want to do anything if a network
     # configuration already exists on the target
@@ -122,8 +121,7 @@ def run():
                 replace_username(target_network, live_user, user)
             except FileNotFoundError:
                 libcalamares.utils.debug(
-                    "Can't copy network configuration files in "
-                    + "{}".format(source_network)
+                    "Can't copy network configuration files in {}".format(source_network)
                     )
             except FileExistsError:
                 pass