code: def reset(self):
          
          self.pid = os.getpid()
          self._created_connections = 0
          self._created_connections_per_node = {}  # Dict(Node, Int)
          self._available_connections = {}  # Dict(Node, List)
          self._in_use_connections = {}  # Dict(Node, Set)
          self._check_lock = threading.Lock()
          self.initialized = False
docs: Resets the connection pool back to a clean state.