fix : proper update of config file (before it was discarding architectures that were not the current one) fixes #774

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/spack b/bin/spack
index 31165bba9d..f51cb8a4ec 100755
--- a/bin/spack
+++ b/bin/spack
@@ -152,7 +152,7 @@ def main():
     command = spack.cmd.get_command(args.command)
     try:
         return_val = command(parser, args)
-    except SpackError, e:
+    except SpackError as e:
         e.die()
     except KeyboardInterrupt:
         sys.stderr.write('\n')