Update tlslite to 0.4.6.

third_party/tlslite/tlslite/utils/asn1parser.py

+# Author: Trevor Perrin
+# Patch from Google adding getChildBytes()
+#
+# See the LICENSE file for legal information regarding use of this file.
+
 """Class for parsing ASN.1"""
-from compat import *
-from codec import *
+from .compat import *
+from .codec import *
 
 #Takes a byte array which has a DER TLV field at its head
-class ASN1Parser:
+class ASN1Parser(object):
     def __init__(self, bytes):
         p = Parser(bytes)
         p.get(1) #skip Type
 
         #Get Length
         self.length = self._getASN1Length(p)
 
         #Get Value
         self.value = p.getFixBytes(self.length)
 
@@ skipping 11 matching lines @@
         return p.bytes[markIndex : p.index]
 
     #Decode the ASN.1 DER length field
     def _getASN1Length(self, p):
         firstLength = p.get(1)
         if firstLength<=127:
             return firstLength
         else:
             lengthLength = firstLength & 0x7F
             return p.get(lengthLength)