WebSocket transport not available.

the following error occurred when using websocket in flask. Why

clipboard.png

Python html css
Mar.19,2021
The hint in the second half of

is obvious, "Install eventlet"

pip install eventlet

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1ea8b3a-1ef6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ea8b3a-1ef6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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