Update mac.md (#1760)

add a troubleshooting hint
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Eric 2018-08-18 16:50:14 +10:00 committed by Me No Dev
parent 172802b18e
commit a989853d4a

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@ -21,5 +21,7 @@ Installation instructions for Mac OS
```xcode-select --install```
- Try `python3` instead of `python` if you get the error: `IOError: [Errno socket error] [SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:590)` when running `python get.py`
- Restart Arduino IDE