Installed and tested basic functionalities found here and results are as expected:

[root@fedora /]# dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2024-8320864b6d                                                                                                                      
[root@fedora /]# dnf config-manager --set-enabled updates-testing
[root@fedora /]# dnf install python3-valkey 

[root@fedora /]# rpm -qa | grep valkey
python3-valkey-6.0.2-1.fc39.noarch

[root@fedora /]# cat /etc/fedora-release 
Fedora release 39 (Thirty Nine)

[root@fedora /]# python3
Python 3.12.5 (main, Aug  7 2024, 00:00:00) [GCC 13.3.1 20240522 (Red Hat 13.3.1-1)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import valkey
>>> r = valkey.Valkey(host='localhost', port=6379, db=0)
>>> r.set('foo', 'bar')
True
>>> r.get('foo')
b'bar'
>>> pool = valkey.ConnectionPool(host='localhost', port=6379, db=0)
>>> r = valkey.Valkey(connection_pool=pool)
>>> pipe = r.pipeline()
>>> pipe.set('foo', 5)
<valkey.client.Pipeline(<valkey.connection.ConnectionPool(<valkey.connection.Connection(host=localhost,port=6379,db=0)>)>)>
>>> pipe.set('bar', 18.5)
<valkey.client.Pipeline(<valkey.connection.ConnectionPool(<valkey.connection.Connection(host=localhost,port=6379,db=0)>)>)>
>>> pipe.set('blee', "hello world!")
<valkey.client.Pipeline(<valkey.connection.ConnectionPool(<valkey.connection.Connection(host=localhost,port=6379,db=0)>)>)>
>>> pipe.execute()
[True, True, True]

>>> p = r.pubsub()
>>> p.subscribe('my-first-channel', 'my-second-channel')
>>> p.get_message()
{'type': 'subscribe', 'pattern': None, 'channel': b'my-first-channel', 'data': 1}
>>> p.get_message()
{'type': 'subscribe', 'pattern': None, 'channel': b'my-second-channel', 'data': 2}
>>> p.get_message()
>>>