Fix syntax errors with python 2.6.

https://bugs.gentoo.org/265784

--- a/khashmir/inserter.py
+++ b/khashmir/inserter.py
@@ -28,7 +28,6 @@ def d(n):
     done = done+1
     
 if __name__=="__main__":
-    global done
     host, port = sys.argv[1:]
     x = UTKhashmir("", 22038, "/tmp/cgcgcgc")
     x.addContact(host, int(port))
--- a/khashmir/test_krpc.py
+++ b/khashmir/test_krpc.py
@@ -44,20 +44,20 @@ class KRPCTests(TestCase):
         self.r = RawServer(Event(), d)
 
         addr = ('127.0.0.1', 1180)
-        self.as = self.r.create_udpsocket(addr[1], addr[0], True)
+        self.asock = self.r.create_udpsocket(addr[1], addr[0], True)
         self.af = Receiver(addr)
-        self.a = hostbroker(self.af, addr, self.as, self.r.add_task)
-        self.r.start_listening_udp(self.as, self.a)
+        self.a = hostbroker(self.af, addr, self.asock, self.r.add_task)
+        self.r.start_listening_udp(self.asock, self.a)
 
         addr = ('127.0.0.1', 1181)
-        self.bs = self.r.create_udpsocket(addr[1], addr[0], True)
+        self.bsock = self.r.create_udpsocket(addr[1], addr[0], True)
         self.bf = Receiver(addr)
-        self.b = hostbroker(self.bf, addr, self.bs, self.r.add_task)
-        self.r.start_listening_udp(self.bs, self.b)
+        self.b = hostbroker(self.bf, addr, self.bsock, self.r.add_task)
+        self.r.start_listening_udp(self.bsock, self.b)
         
     def tearDown(self):
-        self.as.close()
-        self.bs.close()
+        self.asock.close()
+        self.bsock.close()
 
     def testSimpleMessage(self):
         self.noisy = 0