Issue #24688: ast.get_docstring() for 'async def' functions.
diff --git a/Lib/ast.py b/Lib/ast.py
index 02c3b28..03c30f6 100644
--- a/Lib/ast.py
+++ b/Lib/ast.py
@@ -194,7 +194,7 @@
be found. If the node provided does not have docstrings a TypeError
will be raised.
"""
- if not isinstance(node, (FunctionDef, ClassDef, Module)):
+ if not isinstance(node, (AsyncFunctionDef, FunctionDef, ClassDef, Module)):
raise TypeError("%r can't have docstrings" % node.__class__.__name__)
if node.body and isinstance(node.body[0], Expr) and \
isinstance(node.body[0].value, Str):