If the 'zone' parameter to the Update constructor was a name, we erroneously tried to invoke a method named 'copy'.  Names are immutable, there's no need to copy anyway.
If the 'zone' parameter to the Update constructor was a name, we erroneously
tried to invoke a method named 'copy'.  Names are immutable, there's no
need to copy anyway.


tomlanyon/dnspython,leeclemens/dnspython,Abhayakara/dnspython,tow/dnspython,cluck/dnspython,fjxhkj/dnspython,rcorrieri/dnspython,preo/dnspython