Update Python FAQ import datatype in UserGuide

[exalate-issue-sync]

[http://docs.h2o.ai/h2o/latest-stable/h2o-docs/faq/python.html#how-should-i-specify-the-datatype-during-import-in-python|http://docs.h2o.ai/h2o/latest-stable/h2o-docs/faq/python.html#how-should-i-specify-the-datatype-during-import-in-python]

fails if you pass {{Enum}}, first letter in uppercase, the correct form is {{enum}}

[h2o-ops]

JIRA Issue Migration Info

Jira Issue: PUBDEV-7811
Assignee: hannah.tillman
Reporter: hannah.tillman
State: Resolved
Fix Version: 3.32.0.1
Attachments: N/A
Development PRs: Available

Linked PRs from JIRA

#4976