Ensure that self.manifest is defined before call profiler

[pedrogengo]

Description

Fixes #2480

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• This change requires a documentation update

Feature/Issue validation/testing

• Unit test added for base handler, where I set the self.manifest as None, imagining a scenario where someone created a custom initialize method and didn't defined self.manifest, and validate if we can run _infer_with_profiler even in this case.

  • Before the change:
    

  • After the change
    

Checklist:

• Did you have fun?
• Have you added tests that prove your fix is effective or that this feature works?
• Has code been commented, particularly in hard-to-understand areas?
• Have you made corresponding changes to the documentation?

[codecov]

Codecov Report

Merging #2488 (da7ca78) into master (e767afe) will increase coverage by 0.75%.
The diff coverage is 100.00%.

❗ Current head da7ca78 differs from pull request most recent head 307cf99. Consider uploading reports for the commit 307cf99 to get more accurate results

@@            Coverage Diff             @@
##           master    #2488      +/-   ##
==========================================
+ Coverage   71.90%   72.66%   +0.75%     
==========================================
  Files          78       78              
  Lines        3659     3669      +10     
  Branches       58       58              
==========================================
+ Hits         2631     2666      +35     
+ Misses       1024      999      -25     
  Partials        4        4              

Impacted Files	Coverage Δ
ts/torch_handler/base_handler.py	68.51% <100.00%> (+11.97%)	⬆️
ts/torch_handler/unit_tests/test_base_handler.py	100.00% <100.00%> (ø)

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[agunapal]

Thanks for your contribution! LGTM

[pedrogengo]

Tks! I will just fix the lint issue and commit again