Fixing chat args

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "gigachat"
-version = "0.1.18"
+version = "0.1.20"
 description = "GigaChat. Python-library for GigaChain and LangChain"
 authors = ["Konstantin Krestnikov <[email protected]>", "Sergey Malyshev <[email protected]>"]
 license = "MIT"

src/gigachat/models/function_paramaers_property.py

@@ -14,3 +14,4 @@ class FunctionParametersProperty(BaseModel):
     """Возможные значения аргумента"""
     enum: Optional[List[str]] = None
     """Возможные значения enum"""
+    properties: Optional[Dict[Any, "FunctionParametersProperty"]] = None

src/gigachat/models/messages_chunk.py

@@ -10,7 +10,7 @@ class MessagesChunk(BaseModel):
 
     role: Optional[MessagesRole] = None
     """Роль автора сообщения"""
-    content: str
+    content: Optional[str] = None
     """Текст сообщения"""
     function_call: Optional[FunctionCall] = None
     """Вызов функции"""

tests/unit_tests/gigachat/api/test_stream_chat.py

@@ -56,7 +56,7 @@ def test_sync_value_error(httpx_mock: HTTPXMock) -> None:
     httpx_mock.add_response(url=MOCK_URL, content=b"data: {}", headers=HEADERS_STREAM)
 
     with httpx.Client(base_url=BASE_URL) as client:
-        with pytest.raises(ValueError, match="3 validation errors for ChatCompletionChunk*"):
+        with pytest.raises(ValueError, match="4 validation errors for ChatCompletionChunk*"):
             list(stream_chat.sync(client, chat=CHAT))