Fix for deep copy of h5 files.

[kenfus]

• Fixes the error that h5 connections cannot be pickeled.

[github-actions[bot]]

Unit Test Results

0 tests  ±0   0 :heavy_check_mark: ±0   0s :stopwatch: ±0s 0 suites ±0   0 :zzz: ±0  0 files   ±0   0 :x: ±0 

Results for commit 1927a9f0. ± Comparison against base commit 41b63606.

:recycle: This comment has been updated with latest results.