fix typo that has been plaguing me Forgetting to do so can lead to a lot of headaches

slapos/recipe/kvm/template/kvm_run.in

@@ -2,6 +2,9 @@
 # BEWARE: This file is operated by slapgrid
 # BEWARE: It will be overwritten automatically
 
+
+
+
 import ast
 import hashlib
 import os
@@ -15,7 +18,7 @@ import glob
 import re
 
 
-if '%{is-packer}s':
+if ast.literal_eval('%(is-packer)s'):
   packer_dict = {}
 
   packer_dict["disk_size"] = '%(disk-size)s'
@@ -328,7 +331,7 @@ else:
 
 # if the software release type was defined as packer
 # we need to do a bit more work
-if '%{is-packer}s':
+if '%(is-packer)s':
   packer_dict["qemuargs"] = filter(None, widen(kvm_argument_list))
 
   print 'Generating Packer json with qemu args: '