Created by: zhiqiu

PR types

Others

PR changes

Others

Describe

Replace some logging.warn() with warings.warn()

As stated in official doc

warnings.warn() in library code if the issue is avoidable and the client application should be modified to eliminate the warning logging.warning() if there is nothing the client application can do about the situation, but the event should still be noted

Plus, repetitions of a particular warning for the same source location are typically suppressed when using warnings.warn().

To avoid the following logs,