The problem was the installation of pip3, if you use this command sudo apt-get install python3-pip pip is installed and python 3.5 too :evil:

Anyway, I have found a solution here https://packaging.python.org/tutorials/installing-packages/#setup-for-installing-distribution-packages :

If pip isn’t ...

Thanks, for the replies.

So, I have downgraded python to 3.4.4 using these commands :
sudo apt-get remove python3.5
sudo apt-get autoremove
sudo apt-get install python3.4 libpython3.4 python3.4-dev
python -V

if this is not Python 3.4.4 redo the link with this command :
sudo ln -s /usr/bin ...

Hello,
I have tried installation of Broadlink plugin for the RM mini, without any success.

my config :
Raspbian etch
version domoticz : 3.8942
version python : 3.5.3

cd /home/pi/domoticz/plugins
mkdir BroadlinkRM

copy from the wiki of the following files into the BroadlinkRM folder.
plugin ...