无法连接到 Solana 开发网/测试网
我一直在尝试通过 cli 和 python solana SDK 连接到 solana devnet/testnet，但都没有成功，从 CLI 收到以下错误：
“错误：RPC 请求错误：集群版本查询失败：发送 url 请求时出错（https://api.devnet.solana.com/)：操作超时”
并且来自 python SDK：
“requests.exceptions.ConnectionError: HTTPSConnectionPool(host='api.devnet.solana.com', port=443): url 超过最大重试次数： / （由 NewConnectionError('
我可以使用与 CLI 相同的方法连接到本地主机。奇怪的是，我什至无法通过谷歌搜索找到类似的问题，所以我不得不自己在这里问。
任何帮助将不胜感激。
I've been trying to connect to solana devnet/testnet through cli and python solana SDK, but both without success, getting below error from CLI:
"Error: RPC request error: cluster version query failed: error sending request for url (https://api.devnet.solana.com/): operation timed out"
and from python SDK:
"requests.exceptions.ConnectionError: HTTPSConnectionPool(host='api.devnet.solana.com', port=443): Max retries exceeded with url: / (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7f492ffa4490>: Failed to establish a new connection: [Errno 101] Network is unreachable'))"
I CAN connect to localhost using the same method with CLI. Strangely, I can't even find similar issues by googling, so I had to ask here by myself.
Any help will be much appreciated.
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