@check_source<EOL><INDENT>def disconnect_all(self):<DEDENT>
rhs = '<STR_LIT>' + self.definition['<STR_LIT>'].__label__<EOL>rel = _rel_helper(lhs='<STR_LIT:a>', rhs=rhs, ident='<STR_LIT:r>', **self.definition)<EOL>q = '<STR_LIT>' + rel + '<STR_LIT>'<EOL>self.source.cypher(q)<EOL>
Disconnect all nodes

:return: