hide pip output

.drone.yml

@@ -13,5 +13,7 @@ steps:
       SLACK_HOOK_URL: 
         from_secret: slack_hook_url
     commands:
-      - pip install requests
+      # only display pip output if command failed
+      - INSTALL_OUTPUT=$(pip install requests) | true # we don't want to stop execution quite yet
+      - if [[ ${PIPESTATUS[0]} > 0 ]]; then echo "$INSTALL_OUTPUT"; exit 1; fi # NOW we stop
       - python bot.py