diff options
Diffstat (limited to 'Lib/json/encoder.py')
| -rw-r--r-- | Lib/json/encoder.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Lib/json/encoder.py b/Lib/json/encoder.py index d596489f42..41a497c5da 100644 --- a/Lib/json/encoder.py +++ b/Lib/json/encoder.py @@ -101,7 +101,7 @@ class JSONEncoder(object): """ item_separator = ', ' key_separator = ': ' - def __init__(self, skipkeys=False, ensure_ascii=True, + def __init__(self, *, skipkeys=False, ensure_ascii=True, check_circular=True, allow_nan=True, sort_keys=False, indent=None, separators=None, default=None): """Constructor for JSONEncoder, with sensible defaults. @@ -176,7 +176,8 @@ class JSONEncoder(object): return JSONEncoder.default(self, o) """ - raise TypeError(repr(o) + " is not JSON serializable") + raise TypeError("Object of type '%s' is not JSON serializable" % + o.__class__.__name__) def encode(self, o): """Return a JSON string representation of a Python data structure. |