fix: syntax error in function docs (#14641)

fix syntax error in function docs

libs/langchain/langchain/agents/openai_assistant/base.py

@@ -172,7 +172,7 @@ class OpenAIAssistantRunnable(RunnableSerializable[Dict, OutputType]):
         Args:
             name: Assistant name.
             instructions: Assistant instructions.
-            tools: Assistant tools. Can be passed in in OpenAI format or as BaseTools.
+            tools: Assistant tools. Can be passed in OpenAI format or as BaseTools.
             model: Assistant model to use.
             client: OpenAI client. Will create default client if not specified.
 
@@ -217,7 +217,7 @@ class OpenAIAssistantRunnable(RunnableSerializable[Dict, OutputType]):
 
         Return:
             If self.as_agent, will return
-                Union[List[OpenAIAssistantAction], OpenAIAssistantFinish]. Otherwise
+                Union[List[OpenAIAssistantAction], OpenAIAssistantFinish]. Otherwise,
                 will return OpenAI types
                 Union[List[ThreadMessage], List[RequiredActionFunctionToolCall]].
         """