Fix minor typos in provider comments and test name (#2674)

Author: luojiyin1987

src/agents/extensions/models/litellm_model.py

@@ -136,7 +136,7 @@ class InternalToolCall(ChatCompletionMessageFunctionToolCall):
 
 
 class LitellmModel(Model):
-    """This class enables using any model via LiteLLM. LiteLLM allows you to acess OpenAPI,
+    """This class enables using any model via LiteLLM. LiteLLM allows you to access OpenAPI,
     Anthropic, Gemini, Mistral, and many other models.
     See supported models here: [litellm models](https://docs.litellm.ai/docs/providers).
     """

src/agents/extensions/models/litellm_provider.py

@@ -2,7 +2,7 @@
 from ...models.interface import Model, ModelProvider
 from .litellm_model import LitellmModel
 
-# This is kept for backward compatiblity but using get_default_model() method is recommended.
+# This is kept for backward compatibility but using get_default_model() method is recommended.
 DEFAULT_MODEL: str = "gpt-4.1"
 
 

src/agents/models/chatcmpl_converter.py

@@ -123,7 +123,7 @@ def message_to_output_items(
         """
         items: list[TResponseOutputItem] = []
 
-        # Check if message is agents.extentions.models.litellm_model.InternalChatCompletionMessage
+        # Check if message is agents.extensions.models.litellm_model.InternalChatCompletionMessage
         # We can't actually import it here because litellm is an optional dependency
         # So we use hasattr to check for reasoning_content and thinking_blocks
         if hasattr(message, "reasoning_content") and message.reasoning_content:

src/agents/models/openai_provider.py

@@ -13,7 +13,7 @@
 from .openai_chatcompletions import OpenAIChatCompletionsModel
 from .openai_responses import OpenAIResponsesModel, OpenAIResponsesWSModel
 
-# This is kept for backward compatiblity but using get_default_model() method is recommended.
+# This is kept for backward compatibility but using get_default_model() method is recommended.
 DEFAULT_MODEL: str = "gpt-4o"
 
 

tests/test_apply_diff.py

@@ -23,7 +23,7 @@ def test_apply_diff_create_mode_requires_plus_prefix() -> None:
         apply_diff("", diff, mode="create")
 
 
-def test_apply_diff_create_mode_perserves_trailing_newline() -> None:
+def test_apply_diff_create_mode_preserves_trailing_newline() -> None:
     diff = "\n".join(["+hello", "+world", "+"])
     assert apply_diff("", diff, mode="create") == "hello\nworld\n"