Merge pull request #21429 from alalek:dnn_api_explicit_const_3.4
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Fri, 21 Jan 2022 20:04:58 +0000 (20:04 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Fri, 21 Jan 2022 20:04:58 +0000 (20:04 +0000)

Trivial merge