dann bekomme ich das:
$ sudo pip install tinkerforge paho-mqtt
Requirement already satisfied (use --upgrade to upgrade): tinkerforge in /usr/local/lib/python3.4/dist-packages
Requirement already satisfied (use --upgrade to upgrade): paho-mqtt in /usr/local/lib/python3.4/dist-packages
$ python
Python 2.7.9 (default, Mar 8 2015, 00:52:26)
[GCC 4.9.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import paho.mqtt.client
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: No module named paho.mqtt.client
>>>