Fix S3 Upload Errors

[camlyall]

Fixes:
a3m/client/clientScripts/a3m_store_aip.py

• missing pathlib import
• missing aip file extension
• fix and simplify path variable type

a3m/client/clientScripts/verify_aip.py

• Don't move to completed if S3 enabled

[codecov-commenter]

Codecov Report

Merging #338 (7911c20) into main (72c552c) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #338      +/-   ##
==========================================
- Coverage   44.19%   44.17%   -0.02%     
==========================================
  Files         109      109              
  Lines        7442     7445       +3     
  Branches     1122     1123       +1     
==========================================
  Hits         3289     3289              
- Misses       3995     3998       +3     
  Partials      158      158              

Impacted Files	Coverage Δ
a3m/client/clientScripts/a3m_store_aip.py	0.00% <0.00%> (ø)
a3m/client/clientScripts/verify_aip.py	0.00% <0.00%> (ø)

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[camlyall]

@sevein is it necessary to fix the coverage issue?

[sevein]

You can ignore that. The issue reported by the linter should be fixed though. Thank you.

[sevein]

@camlyall could you please file issue(s) describing the problems that you're addressing? I'd like to understand the user case and the problems with our use of s3.meta.client.upload_file and and the "completed" directory. Thank you in advance!