docs: def getInEdges(self, label=None):
          """Gets all the incoming edges of the node. If label
          parameter is provided, it only returns the edges of
          the given label
          @params label: Optional parameter to filter the edges
  
          @returns A generator function with the incoming edges"""
          if label:
              for edge in self.neoelement.relationships.incoming(types=[label]):
                  yield Edge(edge)
          else:
              for edge in self.neoelement.relationships.incoming():
                  yield Edge(edge)