integrations[patch]: remove non-required chat param defaults (#26730)

anthropic:
  - max_retries

openai:
  - n
  - temperature
  - max_retries

fireworks
  - temperature

groq
  - n
  - max_retries
  - temperature

mistral
  - max_retries
  - timeout
  - max_concurrent_requests
  - temperature
  - top_p
  - safe_mode

---------

Co-authored-by: Erick Friis <erick@langchain.dev>

libs/partners/xai/Makefile

@@ -8,7 +8,13 @@ TEST_FILE ?= tests/unit_tests/
 
 integration_test integration_tests: TEST_FILE=tests/integration_tests/
 
-test tests integration_test integration_tests:
+test tests:
+	poetry run pytest --disable-socket --allow-unix-socket $(TEST_FILE)
+
+test_watch:
+	poetry run ptw --snapshot-update --now . -- -vv $(TEST_FILE)
+
+integration_test integration_tests:
 	poetry run pytest $(TEST_FILE)
 
 ######################

libs/partners/xai/langchain_xai/chat_models.py

@@ -320,9 +320,9 @@ class ChatXAI(BaseChatOpenAI):  # type: ignore[override]
     @model_validator(mode="after")
     def validate_environment(self) -> Self:
         """Validate that api key and python package exists in environment."""
-        if self.n < 1:
+        if self.n is not None and self.n < 1:
             raise ValueError("n must be at least 1.")
-        if self.n > 1 and self.streaming:
+        if self.n is not None and self.n > 1 and self.streaming:
             raise ValueError("n must be 1 when streaming.")
 
         client_params: dict = {
@@ -331,10 +331,11 @@ class ChatXAI(BaseChatOpenAI):  # type: ignore[override]
             ),
             "base_url": self.xai_api_base,
             "timeout": self.request_timeout,
-            "max_retries": self.max_retries,
             "default_headers": self.default_headers,
             "default_query": self.default_query,
         }
+        if self.max_retries is not None:
+            client_params["max_retries"] = self.max_retries
 
         if client_params["api_key"] is None:
             raise ValueError(

libs/partners/xai/tests/unit_tests/__snapshots__/test_chat_models_standard.ambr

@@ -10,7 +10,6 @@
       'max_retries': 2,
       'max_tokens': 100,
       'model_name': 'grok-beta',
-      'n': 1,
       'request_timeout': 60.0,
       'stop': list([
       ]),