Clean up multi-line docstrings

arcade/arcade/sdk/tool.py

@@ -1,3 +1,4 @@
+import inspect
 import os
 from typing import Any, Callable, Optional, TypeVar, Union
 
@@ -19,7 +20,7 @@ def decorator(func: Callable) -> Callable:
         tool_name = name or snake_to_pascal_case(func_name)
 
         setattr(func, "__tool_name__", tool_name)  # noqa: B010 (Do not call `setattr` with a constant attribute value)
-        setattr(func, "__tool_description__", desc or func.__doc__)  # noqa: B010
+        setattr(func, "__tool_description__", desc or inspect.cleandoc(func.__doc__))  # noqa: B010
         setattr(func, "__tool_requires_auth__", requires_auth)  # noqa: B010
 
         return func

arcade/tests/tool/test_create_tool_definition.py

@@ -27,6 +27,15 @@ def func_with_docstring_description():
     pass
 
 
+@tool
+def func_with_multiline_docstring_description():
+    """
+    Docstring description
+    on multiple lines
+    """
+    pass
+
+
 @tool(name="MyCustomTool", desc="A function with a very cool description")
 def func_with_name_and_description():
     pass
@@ -163,6 +172,11 @@ def func_with_complex_return() -> list[dict[str, str]]:
             {"description": "Docstring description"},
             id="func_with_docstring_description",
         ),
+        pytest.param(
+            func_with_multiline_docstring_description,
+            {"description": "Docstring description\non multiple lines"},
+            id="func_with_multiline_docstring_description",
+        ),
         pytest.param(
             func_with_name_and_description,
             {"name": "MyCustomTool", "description": "A function with a very cool description"},