Fix #8398: Add typing to __init__ in base.py

[aranke]

resolves #8398
docs dbt-labs/docs.getdbt.com/#

Problem

__init__ in base.py was untyped.

Solution

Add a return type of None to __init__ in base.py.

Checklist

• I have read the contributing guide and understand what's expected of me
• I have run this code in development and it appears to resolve the stated issue
• This PR includes tests, or tests are not required/relevant for this PR
• This PR has no interface changes (e.g. macros, cli, logs, json artifacts, config files, adapter interface, etc) or this PR has already received feedback and approval from Product or DX

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.05% ⚠️

Comparison is base (7e2a08f) 86.41% compared to head (b4dec9e) 86.37%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8568      +/-   ##
==========================================
- Coverage   86.41%   86.37%   -0.05%     
==========================================
  Files         174      174              
  Lines       25587    25587              
==========================================
- Hits        22112    22100      -12     
- Misses       3475     3487      +12     

Flag	Coverage Δ
integration	83.17% <100.00%> (-0.12%)	⬇️
unit	65.04% <100.00%> (ø)

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Files Changed	Coverage Δ
core/dbt/task/base.py	76.01% <100.00%> (ø)

... and 2 files with indirect coverage changes

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[emmyoop]

This looks fine.

Do you happen to know why mypy wants this typed? It doesn't always complain about __init__ being untyped.

[aranke]

Do you happen to know why mypy wants this typed?

No idea honestly.