Use list comprehension instead of filter().
Use list comprehension instead of filter().

Signed-off-by: Quentin Pradet <d17611fde61d73f8de1b8b01bc47d446558ccd8e@apache.org>

apache/libcloud,vongazman/libcloud,vongazman/libcloud,mistio/libcloud,ByteInternet/libcloud,Scalr/libcloud,andrewsomething/libcloud,andrewsomething/libcloud,andrewsomething/libcloud,Kami/libcloud,apache/libcloud,StackPointCloud/libcloud,mistio/libcloud,Scalr/libcloud,StackPointCloud/libcloud,Kami/libcloud,ByteInternet/libcloud,ByteInternet/libcloud,mistio/libcloud,vongazman/libcloud,Kami/libcloud,StackPointCloud/libcloud,Scalr/libcloud,apache/libcloud