lib/lit/import.rb in lit-1.0 vs lib/lit/import.rb in lit-1.0.1

@@ -156,10 +156,10 @@
         if row.first == accu.last&.first # equal keys
           accu.tap do
             accu[-1] = [
               row.first,
               *accu[-1].drop(1)
-                       .map { |x| Array.wrap(x) }
+                       .map { |x| Array.wrap(x).presence || [x] }
                        .zip(row.drop(1)).map(&:flatten)
             ]
           end
         else
           accu << row