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-rw-r--r--Lib/json/encoder.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/Lib/json/encoder.py b/Lib/json/encoder.py
index 0772bbc06b..d596489f42 100644
--- a/Lib/json/encoder.py
+++ b/Lib/json/encoder.py
@@ -176,8 +176,7 @@ class JSONEncoder(object):
return JSONEncoder.default(self, o)
"""
- raise TypeError("Object of type '%s' is not JSON serializable" %
- o.__class__.__name__)
+ raise TypeError(repr(o) + " is not JSON serializable")
def encode(self, o):
"""Return a JSON string representation of a Python data structure.