functionality, you must run
`pip install dnspython[idna]`
-Note that you can install any combination of the above, e.g.:
-`pip install dnspython[doh,dnssec,idna]`
-
If you want to use the Trio asynchronous I/O package, you must run
`pip install dnspython[trio]`.
If you want to use the Curio asynchronous I/O package, you must run
`pip install dnspython[curio]`.
+Note that you can install any combination of the above, e.g.:
+`pip install dnspython[doh,dnssec,idna]`
+
### Notices
Python 2.x support ended with the release of 1.16.0. dnspython 2.0.0 and