MMM-RTSPStream

[howi42]

Trying to install that module, get the following results :

MMM-RTSPStream@1.2.1 postinstall /home/pi/MagicMirror/modules/MMM-RTSPStream
./install_sd_patch.sh && sudo npm i -g http-server

Applying Graceful Shutdown patch to MagicMirror.
error: Anwendung des Patches fehlgeschlagen: js/electron.js:96
error: js/electron.js: Patch konnte nicht angewendet werden

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules/chokidar/node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.3: wanted {“os”:“darwin”,“arch”:“any”} (current: {“os”:“linux”,“arch”:“arm”})
npm ERR! Linux 4.9.35-v7+
npm ERR! argv “/usr/bin/node” “/usr/bin/npm” "install"
npm ERR! node v6.12.0
npm ERR! npm v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! MMM-RTSPStream@1.2.1 postinstall: ./install_sd_patch.sh && sudo npm i -g http-server
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the MMM-RTSPStream@1.2.1 postinstall script ‘./install_sd_patch.sh && sudo npm i -g http-server’.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the MMM-RTSPStream package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! ./install_sd_patch.sh && sudo npm i -g http-server
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs MMM-RTSPStream
npm ERR! Or if that isn’t available, you can get their info via:
npm ERR! npm owner ls MMM-RTSPStream
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR! /home/pi/MagicMirror/modules/MMM-RTSPStream/npm-debug.log

What I am supposed to do know ?