diff options
| -rw-r--r-- | Lib/collections/__init__.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py index a55fee1ff4..1f41ff951a 100644 --- a/Lib/collections/__init__.py +++ b/Lib/collections/__init__.py @@ -352,6 +352,7 @@ def namedtuple(typename, field_names, verbose=False, rename=False): if isinstance(field_names, str): field_names = field_names.replace(',', ' ').split() field_names = list(map(str, field_names)) + typename = str(typename) if rename: seen = set() for index, name in enumerate(field_names): @@ -362,6 +363,8 @@ def namedtuple(typename, field_names, verbose=False, rename=False): field_names[index] = '_%d' % index seen.add(name) for name in [typename] + field_names: + if type(name) != str: + raise TypeError('Type names and field names must be strings') if not name.isidentifier(): raise ValueError('Type names and field names must be valid ' 'identifiers: %r' % name) |