cleaned code up a bit

pwnlib/tubes/sock.py

@@ -65,8 +65,8 @@ class sock(tube):
                 raise
 
     def settimeout_raw(self, timeout):
-        if hasattr(self, 'sock'):
-            self.sock and self.sock.settimeout(timeout)
+        if hasattr(self, 'sock', False) and self.sock:
+            self.sock.settimeout(timeout)
 
     def can_recv_raw(self, timeout):
         if not self.sock or self.closed["recv"]:

pwnlib/tubes/tube.py

@@ -21,9 +21,6 @@ class tube(Timeout):
     newline = '\n'
 
     def __init__(self, timeout = default):
-        # assert type(self) == tube
-
-        # assert isinstance(self, tube), (id(type(self)), id(tube))
         super(tube, self).__init__(timeout)
         self.buffer          = Buffer()
         atexit.register(self.close)