diff options
Diffstat (limited to 'sphinx/pycode/ast.py')
| -rw-r--r-- | sphinx/pycode/ast.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sphinx/pycode/ast.py b/sphinx/pycode/ast.py index 4d8aa8955..fb2a7152d 100644 --- a/sphinx/pycode/ast.py +++ b/sphinx/pycode/ast.py @@ -114,7 +114,10 @@ def unparse(node: ast.AST) -> str: elif isinstance(node, ast.UnaryOp): return "%s %s" % (unparse(node.op), unparse(node.operand)) elif isinstance(node, ast.Tuple): - return ", ".join(unparse(e) for e in node.elts) + if node.elts: + return ", ".join(unparse(e) for e in node.elts) + else: + return "()" elif sys.version_info > (3, 6) and isinstance(node, ast.Constant): # this branch should be placed at last return repr(node.value) |