[Core] Replace usage of deprecated new.classobj

* type is new module to use

deluge/__rpcapi.py

@@ -9,8 +9,6 @@
 
 from __future__ import unicode_literals
 
-from new import classobj
-
 from deluge.core.core import Core
 from deluge.core.daemon import Daemon
 
@@ -27,7 +25,7 @@ def scan_for_methods(obj):
         if not hasattr(getattr(obj, d), '_rpcserver_export'):
             continue
         methods[d] = getattr(obj, d)
-    cobj = classobj(obj.__name__.lower(), (object,), methods)
+    cobj = type(obj.__name__.lower(), (object,), methods)
     setattr(RpcApi, obj.__name__.lower(), cobj)
 
 

tox.ini

@@ -92,7 +92,7 @@ commands = {[testenv:pydef]commands}
 ###########################
 
 [testenv:flake8]
-# Disble site packages to avoid using system flake8 which uses hardcoded python path which imports the wrong libraries.
+# Disable site packages to avoid using system flake8 which uses hardcoded python path which imports the wrong libraries.
 sitepackages = False
 deps =
     {[testenv]deps}