RecursionError('maximum recursion depth exceeded')

## Expected Behavior (Mandatory)
when I call clear_neo4j_database(db)  shows the error ：RecursionError('maximum recursion depth exceeded') 

## Actual Behavior (Mandatory)


## How to Reproduce the Problem


### Simple Example

Datasets and Statements


## Screenshots (where it's possibile)

## Specifications (Mandatory)

Currently used versions

### Versions

  - OS:
  - Library:
  - Neo4j:
