Что-то там у них поломалося.....
Looking in indexes:
https://pypi.org/simple,
https://pypi.chia.net/simple/WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='
pypi.chia.net', port=443): Read timed out. (read timeout=15)")': /simple/miniupnpc/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='
pypi.chia.net', port=443): Read timed out. (read timeout=15)")': /simple/miniupnpc/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='
pypi.chia.net', port=443): Read timed out. (read timeout=15)")': /simple/miniupnpc/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fd2f1bf82b0>, 'Connection to
pypi.chia.net timed out. (connect timeout=15)')': /simple/miniupnpc/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fd2f1bf8460>, 'Connection to
pypi.chia.net timed out. (connect timeout=15)')': /simple/miniupnpc/
ERROR: Could not find a version that satisfies the requirement miniupnpc==2.1
ERROR: No matching distribution found for miniupnpc==2.1