I don't think purposeful circular dependency, but you can end up with circular imports after refactoring for instance. The common approach to solving this is p

I don't think purposeful circular dependency, but you can end up with circular imports after refactoring for instance. The common approach to solving this is pulling everything that is used by all the modules into leaf libraries, effectively creating a directed acyclic graph, but this is not obvious nor easy to do the first time.