fix: pydantic specification extractor

[dapper91]

• fix: pydantic specification extractor fixed.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 78.24%. Comparing base (8638270) to head (1508e06).

Files with missing lines	Patch %	Lines
pjrpc/server/specs/extractors/pydantic_v1.py	0.00%	2 Missing ⚠️
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Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #132   +/-   ##
=======================================
  Coverage   78.24%   78.24%           
=======================================
  Files          44       44           
  Lines        2827     2827           
=======================================
  Hits         2212     2212           
  Misses        615      615           

Flag	Coverage Δ
unittests	78.24% <0.00%> (ø)

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