Patch "Exception: modular references are not supported in this version"

[sternakt]

Description

Type of change

• Documentation (typos, code examples, or any documentation updates)
• Bug fix (a non-breaking change that resolves an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a fix or feature that would disrupt existing functionality)
• This change requires a documentation update

Checklist

• I have conducted a self-review of my own code
• I have made the necessary changes to the documentation
• My changes do not generate any new warnings
• I have added tests to validate the effectiveness of my fix or the functionality of my new feature
• I have included code examples to illustrate the modifications

[codecov]

Codecov Report

Attention: Patch coverage is 92.85714% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...agency/api/openapi/patch_fastapi_code_generator.py	92.85%	1 Missing ⚠️

Files with missing lines	Coverage Δ
...agency/api/openapi/patch_fastapi_code_generator.py	96.96% <92.85%> (-3.04%)	⬇️

... and 2 files with indirect coverage changes