ERROR: Could not find a version that satisfies the requirement No matching distributi found for

ERROR: Could not find a version that satisfies the requirement cffi ERROR: No matching distribution found for cffi


ERROR: No matching distribution found for cffi)

应该是这个问题了吧WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘ProxyError(‘Cannot connect to proxy.’, OSError(0, ‘Error’))’: /simple/cffi/。

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