removed _sock

Author: Your Name

Diff for: micropython/umqtt.simple/umqtt/simple.py

@@ -61,7 +61,7 @@ def set_last_will(self, topic, msg, retain=False, qos=0):
         self.lw_retain = retain
 
     def connect(self, clean_session=True, timeout=None):
-        self._sock = self.sock = socket.socket()
+        self.sock = socket.socket()
         if timeout:
             self.sock.settimeout(timeout)
         addr = socket.getaddrinfo(self.server, self.port)[0][-1]