Index: pyu2f-0.1.5a/pyu2f/convenience/localauthenticator.py
===================================================================
--- pyu2f-0.1.5a.orig/pyu2f/convenience/localauthenticator.py
+++ pyu2f-0.1.5a/pyu2f/convenience/localauthenticator.py
@@ -13,7 +13,6 @@
 # limitations under the License.
 
 """Convenience class for U2F signing with local security keys."""
-import six
 import base64
 import sys
 
@@ -36,7 +35,7 @@ class LocalAuthenticator(baseauthenticat
       device = u2f.GetLocalU2FInterface(origin=self.origin)
     except errors.NoDeviceFoundError:
       print_callback('Please insert your security key and press enter...')
-      six.moves.input()
+      input()
       device = u2f.GetLocalU2FInterface(origin=self.origin)
 
     print_callback('Please touch your security key.\n')
Index: pyu2f-0.1.5a/pyu2f/hid/macos.py
===================================================================
--- pyu2f-0.1.5a.orig/pyu2f/hid/macos.py
+++ pyu2f-0.1.5a/pyu2f/hid/macos.py
@@ -13,8 +13,7 @@
 # limitations under the License.
 
 """Implements HID device interface on MacOS using IOKit and HIDManager."""
-from six.moves import queue
-from six.moves import range
+import queue
 import ctypes
 import ctypes.util
 import logging
Index: pyu2f-0.1.5a/pyu2f/tests/apdu_test.py
===================================================================
--- pyu2f-0.1.5a.orig/pyu2f/tests/apdu_test.py
+++ pyu2f-0.1.5a/pyu2f/tests/apdu_test.py
@@ -14,7 +14,6 @@
 
 """Tests for pyu2f.apdu."""
 
-from six.moves import range
 import sys
 
 from pyu2f import apdu
Index: pyu2f-0.1.5a/pyu2f/tests/hidtransport_test.py
===================================================================
--- pyu2f-0.1.5a.orig/pyu2f/tests/hidtransport_test.py
+++ pyu2f-0.1.5a/pyu2f/tests/hidtransport_test.py
@@ -14,7 +14,6 @@
 
 """Tests for pyu2f.hidtransport."""
 
-from six.moves import range
 import sys
 
 import mock
Index: pyu2f-0.1.5a/pyu2f/tests/util_test.py
===================================================================
--- pyu2f-0.1.5a.orig/pyu2f/tests/util_test.py
+++ pyu2f-0.1.5a/pyu2f/tests/util_test.py
@@ -14,7 +14,6 @@
 
 """Tests for pyu2f.tests.lib.util."""
 
-from six.moves import range
 import sys
 
 from pyu2f.tests.lib import util