Python 将pydotplus安装在附着式雨篷中

我尝试在Corpody中安装pydotplus，但收到了此错误

!pip install pydotplus
Collecting pydotplus
  Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.',ConnectionResetError(10054, 'An existing connection was forcibly closed by the remote host', None, 10054, None))': /simple/pydotplus/
  Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', ConnectionResetError(10054, 'An existing connection was forcibly closed by the remote host', None, 10054, None))': /simple/pydotplus/
  Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', ConnectionResetError(10054, 'An existing connection was forcibly closed by the remote host', None, 10054, None))': /simple/pydotplus/
  Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', ConnectionResetError(10054, 'An existing connection was forcibly closed by the remote host', None, 10054, None))': /simple/pydotplus/
  Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProtocolError('Connection aborted.', ConnectionResetError(10054, 'An existing connection was forcibly closed by the remote host', None, 10054, None))': /simple/pydotplus/
  Could not find a version that satisfies the requirement pydotplus (from versions: )
No matching distribution found for pydotplus

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Canopy版本和Python版本？Pip版本？天蓬版本为2.1.9.3717。Python 3.5.2。Pip 9.0.3这是什么操作系统？Windows。虽然我认为这个错误可能是由于我的机器无法访问443端口造成的。