futurize stage2 core

joy/utils/stack.py

@@ -72,6 +72,7 @@ printed left-to-right.  These functions are written to support :doc:`../pretty`.
 '''
 
 
+from builtins import map
 def list_to_stack(el, stack=()):
   '''Convert a Python list (or other sequence) to a Joy stack::
 
@@ -129,7 +130,6 @@ def expression_to_string(expression):
 
 
 def _to_string(stack, f):
-  if isinstance(stack, long): return str(stack).rstrip('L')
   if not isinstance(stack, tuple): return repr(stack)
   if not stack: return ''  # shortcut
   return ' '.join(map(_s, f(stack)))
@@ -137,7 +137,6 @@ def _to_string(stack, f):
 
 _s = lambda s: (
   '[%s]' % expression_to_string(s) if isinstance(s, tuple)
-  else str(s).rstrip('L') if isinstance(s, long)
   else repr(s)
   )