Fix swift key generation in python3

The swift key used in aws tests is generated in a fashion that doesn't
work in python3. This fixes it.

Change-Id: I31d7046f343987ca3803cfc95c189e5c9f6dcc8e
1 file changed
tree: 285d7959bbd8ba11a98cb1f9fb51f5a0bdc641d8
  1. api/
  2. common/
  3. functional/
  4. scenario/