[Python] Consider using __wrapped__ for compute function introspection

[asfimport]

As suggested by @bkietz here:
#8457 (comment)

Reporter: Antoine Pitrou / @pitrou
Assignee: Antoine Pitrou / @pitrou

PRs and other links:

• GitHub Pull Request #10581

_{Note: This issue was originally created as ARROW-10316. Please see the migration documentation for further details.}

[asfimport]

Antoine Pitrou / @pitrou:
Issue resolved by pull request 10581
#10581