Section link1 and link2:

Reason:
with AzureAppConfigurationClient.from_connection_string(CONNECTION_STRING) as client:
AttributeError: enter

Suggestion:
Update to:
client = AzureAppConfigurationClient.from_connection_string(CONNECTION_STRING).

Section link:

Suggestion:
Should be consistent with the file name of the async samples of other services, for example: key vault, storage and so on.
Update to:

conditional_operation_sample_async.py
hello_world_advanced_sample_async.py
hello_world_sample_async.py
list_revision_sample_async.py
read_only_sample_async.py
sync_token_samples_async.py

@jongio for notification.