try to work around salt weirdness

freifunk-common/pkg.sls

@@ -66,7 +66,7 @@ nodejs:
 repo_nodesource:
   pkgrepo.managed:
     - humanname: Node Source
-    - name: deb https://deb.nodesource.com/node_12.x/ {{ grains['oscodename'] }} main
+    - name: deb https://deb.nodesource.com/node_12.x {{ grains['oscodename'] }} main
     - file: /etc/apt/sources.list.d/nodesource.list
     - enabled: True
     - keyid: 1655A0AB68576280