Moved INS_GET_VERSION to u2flib_host.constants.

Author: dainnilsson

u2flib_host/constants.py

@@ -29,7 +29,9 @@
 #APDU Instructions
 INS_ENROLL = 0x01
 INS_SIGN = 0x02
+INS_GET_VERSION = 0x03
 
 #APDU Response Codes
 APDU_OK = 0x9000
 APDU_USE_NOT_SATISFIED = 0x6985
+APDU_WRONG_DATA = 0x6a80

u2flib_host/device.py

@@ -25,13 +25,10 @@
 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.
 
-from u2flib_host.constants import APDU_OK
+from u2flib_host.constants import APDU_OK, INS_GET_VERSION
 from u2flib_host.yubicommon.compat import int2byte
 from u2flib_host import exc
 import struct
-import sys
-
-INS_GET_VERSION = 0x03
 
 
 class U2FDevice(object):