* import.c (get_module): pass .py filename to parse_file, not .pyc filename!
* funcobject.c (func_repr): don't call getstringvalue(None) for anonymous
  functions.
* bltinmodule.c: removed lambda (which is now a built-in function);
  removed implied lambda for string arg to filter/map/reduce.
* Grammar, graminit.[ch], compile.[ch]: replaced lambda as built-in
  function by lambda as grammar entity: instead of "lambda('x: x+1')" you
  write "lambda x: x+1".
* Xtmodule.c (checkargdict): return 0, not NULL, for error.
diff --git a/Objects/funcobject.c b/Objects/funcobject.c
index 4dc0b90..cc4900a 100644
--- a/Objects/funcobject.c
+++ b/Objects/funcobject.c
@@ -100,9 +100,12 @@
 	funcobject *op;
 {
 	char buf[140];
-	sprintf(buf, "<function %.100s at %lx>",
-		getstringvalue(op->func_name),
-		(long)op);
+	if (op->func_name == None)
+		sprintf(buf, "<anonymous function at %lx>", (long)op);
+	else
+		sprintf(buf, "<function %.100s at %lx>",
+			getstringvalue(op->func_name),
+			(long)op);
 	return newstringobject(buf);
 }