Add Import support for Python

Migrated from falkordb/code-graph-backend#61

Add `Import` support for Python

---
*Originally reported by @gkorland in [falkordb/code-graph-backend#61](https://github.com/FalkorDB/code-graph-backend/issues/61)*
*Associated PR: [falkordb/code-graph-backend#97](https://github.com/FalkorDB/code-graph-backend/pull/97)*