pip install xbee

#! /usr/bin/python

# Import and init an XBee device
from xbee import XBee,ZigBee
import serial

ser = serial.Serial('/dev/ttyUSB0', 9600)

# Use an XBee 802.15.4 device
# To use with an XBee ZigBee device, replace with:
#xbee = ZigBee(ser)
xbee = XBee(ser)

# Set remote DIO pin 2 to low (mode 4)
xbee.remote_at(
  dest_addr='x56x78',
  command='D2',
  parameter='x04')

xbee.remote_at(
  dest_addr='x56x78',
  command='WR')

ImportError: cannot import name Xbee

pip search xbee

egenix-mx-base            - eGenix mx Base Distribution for Python -
                            mxDateTime, mxTextTools, mxProxy, mxTools,
                            mxBeeBase, mxStack, mxQueue, mxURL, mxUID
XBee                      - Python tools for working with XBee radios
  INSTALLED: 2.1.0 (latest)
hachi                     - XBee API
txXBee                    - XBee Protocol for Twisted
pyctu                     - A curses interface to configure xbees