  import struct
  import sys
  
  from bisect import bisect
  from concurrent import futures
  from zlib import crc32
  
 
</s> remove             retval = eval(value[4:])
 </s> add             retval = literal_eval(value[4:].decode("utf-8")) </s> remove                     retval["itxt"] = eval(value[4:])
 </s> add                     retval["itxt"] = literal_eval(value[4:].decode("utf-8"))
from ast import literal_eval
  import struct
  import sys
  
from ast import literal_eval
  from bisect import bisect
  from concurrent import futures
  from zlib import crc32
  
keep keep add keep keep keep keep
 Bugfix - Remove ability to execute arbritary code from png header data 
lib/image.py