Cleanup json decoder: float() has builtin support of nan, +inf, -inf since Python 2.6
diff --git a/Lib/json/decoder.py b/Lib/json/decoder.py
index 07fd696..9b7438c 100644
--- a/Lib/json/decoder.py
+++ b/Lib/json/decoder.py
@@ -1,9 +1,6 @@
"""Implementation of JSONDecoder
"""
-import binascii
import re
-import sys
-import struct
from json import scanner
try:
@@ -15,14 +12,9 @@
FLAGS = re.VERBOSE | re.MULTILINE | re.DOTALL
-def _floatconstants():
- _BYTES = binascii.unhexlify(b'7FF80000000000007FF0000000000000')
- if sys.byteorder != 'big':
- _BYTES = _BYTES[:8][::-1] + _BYTES[8:][::-1]
- nan, inf = struct.unpack('dd', _BYTES)
- return nan, inf, -inf
-
-NaN, PosInf, NegInf = _floatconstants()
+NaN = float('nan')
+PosInf = float('inf')
+NegInf = float('-inf')
def linecol(doc, pos):