diff --git a/tools/explore_odrive.py b/tools/explore_odrive.py
index 9efaebb7..ebe23bf8 100755
--- a/tools/explore_odrive.py
+++ b/tools/explore_odrive.py
@@ -1,3 +1,5 @@
+from __future__ import print_function
+
 #!/usr/bin/env python3
 """
 Load an odrive object to play with in the IPython interactive shell.
diff --git a/tools/odrive/protocol.py b/tools/odrive/protocol.py
index 18f44a41..aced6cc9 100644
--- a/tools/odrive/protocol.py
+++ b/tools/odrive/protocol.py
@@ -6,14 +6,14 @@ import sys
 
 import abc
 
-# if sys.version_info >= (3, 4):
-ABC = abc.ABC
-# else:
-#     ABC = abc.ABCMeta('ABC', (), {})
+if sys.version_info >= (3, 4):
+    ABC = abc.ABC
+else:
+    ABC = abc.ABCMeta('ABC', (), {})
 
-# if sys.version_info <= (3, 3):
-#     from monotonic import monotonic
-#     time.monotonic = monotonic
+if sys.version_info < (3, 3):
+    from monotonic import monotonic
+    time.monotonic = monotonic
 
 SYNC_BYTE = 0xAA
 CRC8_INIT = 0x42