我正在使用MAC和python版本2.7.14
Collecting psycopg2
Could not fetch URL https://pypi.python.org/simple/psycopg2/: There was a problem confirming the ssl certificate: [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:661) - skipping
Could not find a version that satisfies the requirement psycopg2 (from versions: )
No matching distribution found for psycopg2