AttributeError: 'int' object has no attribute 'write_byte'

[texasbobs]

When I run sht21.py alone, it completes and prints the proper values. When I run it with the sample in the readme, I get the attribute error. Being quite the noob, I'm not sure exactly how to fix that. Any guidance would be appreciated.

Traceback (most recent call last):
File "wx-02.py", line 2, in
with sht21.SHT21(1) as sht21:
File "/home/pi/wx/sht21.py", line 20, in init
self.bus.write_byte(self._I2C_ADDRESS, self._SOFTRESET)
AttributeError: 'int' object has no attribute 'write_byte'

[texasbobs]

Actually I did edit the usage sample to point to bus 1.

This is what I'm running that generates the error.

import sht21
with sht21.SHT21(1) as sht21:
print "Temperature: %s"%sht21.read_temperature()
print "Humidity: %s"%sht21.read_humidity()

[texasbobs]

After playing around, It was able to get the following to work. Is the usage sample wrong or am I doing something else wrong?

import sht21
import smbus

bus = smbus.SMBus(1)
with sht21.SHT21(bus) as sht21:
print "Temperature: %s"%sht21.read_temperature()
print "Humidity: %s"%sht21.read_humidity()