Or, a variation on the Norway problem # Short version: put quotes around version numbers in YAML. The Norway problem # The Norway problem is when you put this in YAML: countries:- GB- IE- FR- DE- NO But get this out: >>>importyaml>>>withopen("countries.yml")asf:...yaml.safe_load(f)...{'countries':['GB','IE','FR','DE',False]} :scream: The Norway fix # Use quotes: countries:- "GB"- "IE"- "FR"- "DE"- "NO" >>>withopen("countries.yml")asf:...yaml.safe_load(f)...{'countries':['GB','IE','FR','DE','N...