format test lint passed

libs/core/tests/unit_tests/test_tools.py

@@ -17,7 +17,7 @@ from typing import (
     Optional,
     TypeVar,
     Union,
-    cast, Coroutine,
+    cast,
 )
 
 import pytest
@@ -35,7 +35,7 @@ from langchain_core.callbacks.manager import (
     CallbackManagerForRetrieverRun,
 )
 from langchain_core.documents import Document
-from langchain_core.messages import ToolCall, ToolMessage, AIMessage
+from langchain_core.messages import AIMessage, ToolCall, ToolMessage
 from langchain_core.messages.tool import ToolOutputMixin
 from langchain_core.retrievers import BaseRetriever
 from langchain_core.runnables import (
@@ -2609,10 +2609,15 @@ def test_title_property_preserved() -> None:
 @pytest.mark.asyncio
 async def test_ainvoke_input_isolation_from_state_graph_context() -> None:
     """Test that tool execution works correctly with LangGraph."""
-    from langchain_core.messages import SystemMessage, HumanMessage, ToolMessage, AIMessage
     import json
+
     from blockbuster.blockbuster import blockbuster_skip
 
+    from langchain_core.messages import (
+        HumanMessage,
+        SystemMessage,
+    )
+
     blockbuster_skip.set(True)
 
     # Setup
@@ -2634,29 +2639,29 @@ async def test_ainvoke_input_isolation_from_state_graph_context() -> None:
                 },
             },
             coroutine=sleep,
-            func=sleep
+            func=sleep,
         )
     ]
     _tools = {t.name: t for t in my_tool}
 
-    tool_calls = '''
+    tool_calls = """
     [{
     "name": "sleep",
     "args": {"seconds": 2},
     "id": "call_0_82c17db8-95df-452f-a4c2-03f809022134",
     "type": "tool_call"}]
-    '''
+    """
 
     # Test execution
-    messages = []
+    messages: list[Any] = []
     _input = "sleep for 2 seconds!"
     messages.append(SystemMessage(content=prompt))
     messages.append(HumanMessage(content=_input))
-    ai_message = AIMessage(tool_calls=json.loads(tool_calls), content='')
+    ai_message = AIMessage(tool_calls=json.loads(tool_calls), content="")
     messages.append(ai_message)
 
-    result = await _tools["sleep"].ainvoke(messages[-1].tool_calls[0]["args"])
+    result = await _tools["sleep"].ainvoke(ai_message.tool_calls[0]["args"])
 
     # Assertions
-    assert "good" == result
+    assert result == "good"
-    assert "run_manager" not in messages[-1].tool_calls[0]["args"]
+    assert "run_manager" not in ai_message.tool_calls[0]["args"]