diff --git a/trace.py b/trace.py
index 0376d2b..db42a68 100644
--- a/trace.py
+++ b/trace.py
@@ -13,6 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
 import sys
 import os
 REPO_TRACE = 'REPO_TRACE'
@@ -31,4 +32,4 @@
 
 def Trace(fmt, *args):
   if IsTrace():
-    print >>sys.stderr, fmt % args
+    print(fmt % args, file=sys.stderr)