title: python Bluetooth error - No module named _bluetooth
body: <p>I am trying an example code in python which works as a bluetooth server. This code gives following error..</p>
  
  <p>Traceback (most recent call last):
    File "/var/lib/cloud9/examples/Sa/rfcomm-server_py", line 7, in 
      from bluetooth import *
    File "/var/lib/cloud9/examples/Sa/bluetooth/<strong>init</strong>.py", line 43, in 
      from .bluez import *
    File "/var/lib/cloud9/examples/Sa/bluetooth/bluez.py", line 6, in 
      import _bluetooth as _bt
  ImportError: No module named _bluetooth</p>
  
  <p>I am using beaglebone green wireless board in cloud9 IDE</p>
  
  <pre><code>    # file: rfcomm-server.py
      # auth: Albert Huang &lt;albert@csail.mit.edu&gt;
      # desc: simple demonstration of a server application that uses RFCOMM   sockets
      # $Id: rfcomm-server.py 518 2007-08-10 07:20:07Z albert $
  
     from bluetooth import *
  
     server_sock=BluetoothSocket( RFCOMM )
     server_sock.bind(("",PORT_ANY))
     server_sock.listen(1)
  
     port = server_sock.getsockname()[1]
  
     uuid = "94f39d29-7d6d-437d-973b-fba39e49d4ee"
  
     advertise_service( server_sock, "SampleServer",
                 service_id = uuid,
                 service_classes = [ uuid, SERIAL_PORT_CLASS ],
                 profiles = [ SERIAL_PORT_PROFILE ], 
   #                   protocols = [ OBEX_UUID ] 
                  )
  
    print("Waiting for connection on RFCOMM channel %d" % port)
  
    client_sock, client_info = server_sock.accept()
    print("Accepted connection from ", client_info)
  
   try:
   while True:
      data = client_sock.recv(1024)
      if len(data) == 0: break
      print("received [%s]" % data)
   except IOError:
    pass
  
    print("disconnected")
  
   client_sock.close()
    server_sock.close()
     print("all done")
  </code></pre>