diff --git a/git_config.py b/git_config.py
index 9524df9..431cd45 100644
--- a/git_config.py
+++ b/git_config.py
@@ -25,14 +25,13 @@
 except ImportError:
   import dummy_threading as _threading
 import time
-try:
-  import urllib2
-except ImportError:
-  # For python3
+
+from pyversion import is_python3
+if is_python3():
   import urllib.request
   import urllib.error
 else:
-  # For python2
+  import urllib2
   import imp
   urllib = imp.new_module('urllib')
   urllib.request = urllib2
diff --git a/main.py b/main.py
index 49d2482..e4cdeb0 100755
--- a/main.py
+++ b/main.py
@@ -22,13 +22,12 @@
 import os
 import sys
 import time
-try:
-  import urllib2
-except ImportError:
-  # For python3
+
+from pyversion import is_python3
+if is_python3():
   import urllib.request
 else:
-  # For python2
+  import urllib2
   urllib = imp.new_module('urllib')
   urllib.request = urllib2
 
@@ -50,10 +49,10 @@
 
 from subcmds import all_commands
 
-try:
+if not is_python3():
+  # pylint:disable=W0622
   input = raw_input
-except NameError:
-  pass
+  # pylint:enable=W0622
 
 global_options = optparse.OptionParser(
                  usage="repo [-p|--paginate|--no-pager] COMMAND [ARGS]"
diff --git a/manifest_xml.py b/manifest_xml.py
index cc441dc..16476aa 100644
--- a/manifest_xml.py
+++ b/manifest_xml.py
@@ -18,16 +18,16 @@
 import os
 import re
 import sys
-try:
-  # For python3
+import xml.dom.minidom
+
+from pyversion import is_python3
+if is_python3():
   import urllib.parse
-except ImportError:
-  # For python2
+else:
   import imp
   import urlparse
   urllib = imp.new_module('urllib')
   urllib.parse = urlparse
-import xml.dom.minidom
 
 from git_config import GitConfig
 from git_refs import R_HEADS, HEAD
diff --git a/project.py b/project.py
index effe75c..f299297 100644
--- a/project.py
+++ b/project.py
@@ -36,10 +36,11 @@
 
 from git_refs import GitRefs, HEAD, R_HEADS, R_TAGS, R_PUB, R_M
 
-try:
+from pyversion import is_python3
+if not is_python3():
+  # pylint:disable=W0622
   input = raw_input
-except NameError:
-  pass
+  # pylint:enable=W0622
 
 def _lwrite(path, content):
   lock = '%s.lock' % path
diff --git a/pyversion.py b/pyversion.py
new file mode 100644
index 0000000..5b348d9
--- /dev/null
+++ b/pyversion.py
@@ -0,0 +1,19 @@
+#
+# Copyright (C) 2013 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+
+def is_python3():
+  return sys.version_info[0] == 3
diff --git a/repo b/repo
index 791e40c..58e82fe 100755
--- a/repo
+++ b/repo
@@ -117,15 +117,13 @@
 import stat
 import subprocess
 import sys
-try:
-  import urllib2
-except ImportError:
-  # For python3
+
+if sys.version_info[0] == 3:
   import urllib.request
   import urllib.error
 else:
-  # For python2
   import imp
+  import urllib2
   urllib = imp.new_module('urllib')
   urllib.request = urllib2
   urllib.error = urllib2
diff --git a/subcmds/init.py b/subcmds/init.py
index 1f91526..a44fb7a 100644
--- a/subcmds/init.py
+++ b/subcmds/init.py
@@ -19,11 +19,11 @@
 import re
 import shutil
 import sys
-try:
-  # For python3
+
+from pyversion import is_python3
+if is_python3():
   import urllib.parse
-except ImportError:
-  # For python2
+else:
   import imp
   import urlparse
   urllib = imp.new_module('urllib')
diff --git a/subcmds/status.py b/subcmds/status.py
index 9810337..41c4429 100644
--- a/subcmds/status.py
+++ b/subcmds/status.py
@@ -21,12 +21,13 @@
   import dummy_threading as _threading
 
 import glob
-try:
-  # For python2
-  import StringIO as io
-except ImportError:
-  # For python3
+
+from pyversion import is_python3
+if is_python3():
   import io
+else:
+  import StringIO as io
+
 import itertools
 import os
 import sys
diff --git a/subcmds/sync.py b/subcmds/sync.py
index 8fb9488..b34787d 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -24,22 +24,17 @@
 import subprocess
 import sys
 import time
-try:
-  # For python3
+
+from pyversion import is_python3
+if is_python3():
   import urllib.parse
-except ImportError:
-  # For python2
+  import xmlrpc.client
+else:
   import imp
   import urlparse
+  import xmlrpclib
   urllib = imp.new_module('urllib')
   urllib.parse = urlparse
-try:
-  # For python3
-  import xmlrpc.client
-except ImportError:
-  # For python2
-  import imp
-  import xmlrpclib
   xmlrpc = imp.new_module('xmlrpc')
   xmlrpc.client = xmlrpclib
 
diff --git a/subcmds/upload.py b/subcmds/upload.py
index a34938e..13b8778 100644
--- a/subcmds/upload.py
+++ b/subcmds/upload.py
@@ -23,10 +23,11 @@
 from error import HookError, UploadError
 from project import RepoHook
 
-try:
+from pyversion import is_python3
+if not is_python3():
+  # pylint:disable=W0622
   input = raw_input
-except NameError:
-  pass
+  # pylint:enable=W0622
 
 UNUSUAL_COMMIT_THRESHOLD = 5