Non-executable SlapOS resource file

slapos/format.py

@@ -633,7 +633,7 @@ class Computer(object):
 
 
 class Partition(object):
-  "Represent a computer partition"
+  """Represent a computer partition."""
 
   resource_file = ".slapos-resource"
 
@@ -701,7 +701,7 @@ class Partition(object):
     with open(file_path, "wb") as fo:
       json.dump(data, fo, sort_keys=True, indent=4)
     owner_pw = pwd.getpwnam(self.user.name)
-    os.chmod(file_path, 0o740)
+    os.chmod(file_path, 0o640)
     os.chown(file_path, owner_pw.pw_uid, owner_pw.pw_gid)