Fixed changed behavior of last commit

Author: PaulStahr

cma/transformations.py

@@ -1122,8 +1122,8 @@ def from_bounds(x, copy=False):
                 return x  # not change, no copy
 
         if archive is not None:
-            archive_y = archive[y]
             try:
+                archive_y = archive[y]
                 x = archive_y['geno']
             except (KeyError, TypeError):
                 x = None