Types/generic alias - assert fix only

[wild-endeavor]

Tracking issue

flyteorg/flyte#5737

Why are the changes needed?

Please see issue. This only fixes the TypeEngine's assert type. Not sure what other issues there are with generic aliases yet. Please keep the GH issue open.

What changes were proposed in this pull request?

How was this patch tested?

Setup process

Screenshots

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

Related PRs

Docs link

[codecov]

Codecov Report

Attention: Patch coverage is 82.85714% with 6 lines in your changes missing coverage. Please review.

Project coverage is 81.10%. Comparing base (ae9c6f8) to head (7a9d420).
Report is 4 commits behind head on master.

Files with missing lines	Patch %	Lines
flytekit/core/type_engine.py	82.85%	3 Missing and 3 partials ⚠️

❗ There is a different number of reports uploaded between BASE (ae9c6f8) and HEAD (7a9d420). Click for more details.

HEAD has 7 uploads less than BASE

Flag	BASE (ae9c6f8)	HEAD (7a9d420)
	15	8

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2743      +/-   ##
==========================================
- Coverage   90.87%   81.10%   -9.77%     
==========================================
  Files          74      194     +120     
  Lines        3331    19756   +16425     
  Branches        0     4120    +4120     
==========================================
+ Hits         3027    16023   +12996     
- Misses        304     2991    +2687     
- Partials        0      742     +742     

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