added yaml to the requiements so the tests won't fail

requirements-test.txt

@@ -5,6 +5,7 @@ pytest>=7.4.0
 pytest-asyncio>=0.23.0
 pydantic>=2.6.0
 pydantic-settings>=2.1.0
+PyYAML>=6.0.0
 sse-starlette>=1.6.5
 python-multipart>=0.0.9
 tiktoken>=0.5.2

requirements.txt

@@ -5,6 +5,7 @@ torch>=2.8.0
 accelerate>=0.27.2
 pydantic>=2.6.0
 pydantic-settings>=2.1.0
+PyYAML>=6.0.0
 sse-starlette>=1.6.5
 python-multipart>=0.0.9
 tiktoken>=0.5.2