systemd: fix error

README.md

@@ -14,7 +14,7 @@ Users who wants to use this project have to create a [Twitter developer account]
 This project has only been tested on python3.7. 
 Install all dependencies using pip:
 ```shell
-pip install -r requirements.txt
+pip3 install -r requirements.txt
 ```
 ### Twitter credentials
 A credentials.py has to be created using the [template](params/template-credentials.py)
@@ -31,8 +31,8 @@ python3 collectTweets.py
 ```
 ## Optional : create a systemd deamon
 1. Copy service file `sudo cp systemd/mood-tweets-collect.service /lib/systemd/system`
-2. Modify /lib/systemd/system/mood-tweets-collect.service with the correct execPath
+2. Modify /lib/systemd/system/mood-tweets-collect.service with the correct `WorkingDirectory`
 3. Reload systemd :`sudo systemctl daemon-reload`
-4. Enable auto start using command : `systemctl enable mood-tweets-collect.service`
+4. Enable auto start using command : `sudo systemctl enable mood-tweets-collect.service`
 ## License
 This code is provided under the [CeCILL-B](https://cecill.info/licences/Licence_CeCILL-B_V1-en.html) free software license agreement.
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systemd/mood-tweets-collect.service

@@ -2,7 +2,8 @@
 Description=H2020 MOOD / TETIS collect tweets
 
 [Service]
-ExecStart=/usr/bin/python3 /home/rdecoupe/mood-tetis-tweets-collect/collectTweets.py
+WorkingDirectory=/home/rdecoupe/mood-tetis-tweets-collect/
+ExecStart=/usr/bin/python3 collectTweets.py
 
 Restart=on-failure
 RestartSec=10
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