lib/couchbase/configuration.rb in couchbase-3.2.0 vs lib/couchbase/configuration.rb in couchbase-3.3.0

@@ -48,10 +48,10 @@
       if defined?(::Rails)
         ::Rails.env
       elsif defined?(::Sinatra)
         ::Sinatra::Base.environment.to_s
       else
-        ENV["RACK_ENV"] || ENV["COUCHBASE_ENV"] or raise ::Couchbase::Error::NoEnvironment
+        ENV.fetch("RACK_ENV", nil) || ENV.fetch("COUCHBASE_ENV", nil) or raise ::Couchbase::Error::NoEnvironment
       end
     end
   end
 end