[FLINK-16522] Use type hints to declare the signature of the methods

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.12.0
• Component/s: API / Python
• Labels: pull-request-available
• Assignee: Huang Xingbo
• Reporter: Huang Xingbo
• Created: 10/Mar/20 08:28
• Updated: 03/Nov/20 14:12
• Resolved: 03/Nov/20 11:25

Description

Type Hints was introduced in Python 3.5 and it would be great if we can declare the signature of the methods using type hints and introduce type check in the python APIs

Issue Links

• links to: GitHub Pull Request #13838