The following packages will be installed:
 weathercli 
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weathercli-2.3.1/
weathercli-2.3.1/bin/
weathercli-2.3.1/bin/weather
weathercli-2.3.1/LICENSE
weathercli-2.3.1/MANIFEST.in
weathercli-2.3.1/PKG-INFO
weathercli-2.3.1/README.mkd
weathercli-2.3.1/setup.py
weathercli-2.3.1/weathercli.py

API_KEY not found !!! Please pass the script your API Key
API_KEY=my_api_key_here ./weathercli.SlackBuild
Get your API Key on this page : https://openweathermap.org/

fakeroot -- sh weathercli.SlackBuild Failed