Fix PyON escape sequences

CHANGELOG.md

@@ -1,6 +1,12 @@
 Folding@home Advanced Control Changelog
 =======================================
 
+## v7.6.20
+ - Fix PyON escape sequences.
+
+## v7.6.19
+ - Use modified JSON parser to parse PyON.
+
 ## v7.6.15
  - Removed ``gpu-index``, ``opencl-index`` and ``cuda-index`` config.
 

fah/util/PYONDecoder.py

@@ -125,9 +125,9 @@ def pyon_scanstring(s, end, encoding = None, strict = True,
 
     elif esc == 'x':
       # Hex escape sequence
+      code = s[end + 1: end + 3]
       try:
-        code = s[end + 1: end + 3]
-        char = code.decode('hex')
+        char = unichr(int(code, 16))
       except:
         raise ValueError(errmsg('Invalid \\escape: ' + repr(code), s, end))