diff options
Diffstat (limited to 'sphinx/domains/python.py')
| -rw-r--r-- | sphinx/domains/python.py | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/sphinx/domains/python.py b/sphinx/domains/python.py index 07a66fe22..19da49ac6 100644 --- a/sphinx/domains/python.py +++ b/sphinx/domains/python.py @@ -105,11 +105,16 @@ def _parse_annotation(annotation: str) -> List[Node]: result.append(addnodes.desc_sig_punctuation('', ']')) return result elif isinstance(node, ast.Tuple): - result = [] - for elem in node.elts: - result.extend(unparse(elem)) - result.append(addnodes.desc_sig_punctuation('', ', ')) - result.pop() + if node.elts: + result = [] + for elem in node.elts: + result.extend(unparse(elem)) + result.append(addnodes.desc_sig_punctuation('', ', ')) + result.pop() + else: + result = [addnodes.desc_sig_punctuation('', '('), + addnodes.desc_sig_punctuation('', ')')] + return result else: raise SyntaxError # unsupported syntax |