Snmp sensor broken after update to 0.39

Configuration
1

after updating to 0.39 my snmp sensors stoped working.
from log when restartet:

feb 26 16:40:59 raspberrypi hass[7467]: INFO:homeassistant.loader:Loaded sensor.snmp from homeassistant.components.sensor.snmp
feb 26 16:40:59 raspberrypi hass[7467]: INFO:homeassistant.components.sensor:Setting up sensor.snmp
feb 26 16:41:02 raspberrypi hass[7467]: ERROR:homeassistant.components.sensor:Error while setting up platform snmp
feb 26 16:41:02 raspberrypi hass[7467]: File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/sensor/snmp.py", line 61, in setup_platform
feb 26 16:41:02 raspberrypi hass[7467]: File "/home/pi/.homeassistant/deps/pysnmp/hlapi/asyncore/sync/cmdgen.py", line 111, in getCmd
feb 26 16:41:02 raspberrypi hass[7467]: File "/home/pi/.homeassistant/deps/pysnmp/hlapi/asyncore/cmdgen.py", line 131, in getCmd
feb 26 16:41:02 raspberrypi hass[7467]: File "/home/pi/.homeassistant/deps/pysnmp/entity/rfc3413/cmdgen.py", line 214, in sendVarBinds
feb 26 16:41:02 raspberrypi hass[7467]: File "/home/pi/.homeassistant/deps/pysnmp/proto/api/v1.py", line 136, in setVarBinds
feb 26 16:41:02 raspberrypi hass[7467]: File "/home/pi/.homeassistant/deps/pysnmp/proto/api/v1.py", line 43, in setOIDVal
2

I think everything SNMP-related is broken because of a bug in dependency.

Take a look at this issue:
https://github.com/home-assistant/home-assistant/issues/6238