@rf0620 i have tried to install the module and i had unnbekannte fehler (unknown issue) error . i followd all the steps but i have another error now:

pi@raspberrypi:~ $ sudo pip install fritzconnection --upgrade
Requirement already up-to-date: fritzconnection in /usr/local/lib/python2.7/dist-packages
Collecting requests>=2.2.0 (from fritzconnection)
Downloading requests-2.18.4-py2.py3-none-any.whl (88kB)
100% |████████████████████████████████| 92kB 763kB/s
Collecting lxml>=3.2.5 (from fritzconnection)
Using cached lxml-4.1.1.tar.gz
Collecting urllib3=1.21.1 (from requests>=2.2.0->fritzconnection)
Downloading urllib3-1.22-py2.py3-none-any.whl (132kB)
100% |████████████████████████████████| 133kB 880kB/s
Collecting idna=2.5 (from requests>=2.2.0->fritzconnection)
Downloading idna-2.6-py2.py3-none-any.whl (56kB)
100% |████████████████████████████████| 61kB 1.5MB/s
Collecting chardet=3.0.2 (from requests>=2.2.0->fritzconnection)
Downloading chardet-3.0.4-py2.py3-none-any.whl (133kB)
100% |████████████████████████████████| 143kB 983kB/s
Collecting certifi>=2017.4.17 (from requests>=2.2.0->fritzconnection)
Downloading certifi-2017.11.5-py2.py3-none-any.whl (330kB)
100% |████████████████████████████████| 337kB 629kB/s
Building wheels for collected packages: lxml
Running setup.py bdist_wheel for lxml … /^error
Failed building wheel for lxml
Running setup.py clean for lxml
Failed to build lxml
Installing collected packages: urllib3, idna, chardet, certifi, requests, lxml
Found existing installation: urllib3 1.19.1
Not uninstalling urllib3 at /usr/lib/python2.7/dist-packages, outside environment /usr
Found existing installation: idna 2.2
Not uninstalling idna at /usr/lib/python2.7/dist-packages, outside environment /usr
Found existing installation: chardet 2.3.0
Not uninstalling chardet at /usr/lib/python2.7/dist-packages, outside environment /usr
Found existing installation: requests 2.12.4
Not uninstalling requests at /usr/lib/python2.7/dist-packages, outside environment /usr
Found existing installation: lxml 3.7.1
Not uninstalling lxml at /usr/lib/python2.7/dist-packages, outside environment /usr
Running setup.py install for lxml … |^canceled
Can’t rollback lxml, nothing uninstalled.
Operation cancelled by user