free_port: fixup

slapos/recipe/free_port.py

@@ -48,16 +48,14 @@ class Recipe(GenericBaseRecipe):
     # requested service itself.
     # If this check isn't done, a new port would be picked for every upgrade
     # of the software release
-    try:
     port = self.getValueFromPreviousRun(name, 'port')
+
     # Port can be 0 in case of upgrade: some old service still runs on port,
     # so 0 is returned by default. Then, on next run, this recipe is processed
     # again until a correct value is returned
     if port != '0':
       self.options['port'] = port
       return
-    except (IOError, ConfigParser.NoSectionError, ConfigParser.NoOptionError):
-      pass
 
     # Otherwise, let's find one
     self.minimum = int(options.get('minimum', 1024))