refactor: clean up test examples

Author: tradeqvest

tests/models/test_anthropic.py

@@ -669,10 +669,7 @@ async def my_tool(first: str, second: str) -> int:
                 input_tokens=20,
                 output_tokens=5,
                 tool_calls=1,
-                details={
-                    'input_tokens': 20,
-                    'output_tokens': 5,
-                },
+                details={'input_tokens': 20, 'output_tokens': 5},
             )
         )
         assert tool_called

tests/test_examples.py

@@ -628,7 +628,6 @@ async def model_logic(  # noqa: C901
             parts=[ToolCallPart(tool_name='final_result', args=args, tool_call_id='pyd_ai_tool_call_id')]
         )
     elif isinstance(m, ToolReturnPart) and m.tool_name == 'do_work':
-        # Trigger a second tool call to cause tool_calls_limit to be exceeded in the docs example
         return ModelResponse(parts=[ToolCallPart(tool_name='do_work', args={}, tool_call_id='pyd_ai_tool_call_id')])
     elif isinstance(m, RetryPromptPart) and m.tool_name == 'calc_volume':
         return ModelResponse(