diff -ur a/anyjson/__init__.py b/anyjson/__init__.py
--- a/anyjson/__init__.py	2018-11-03 12:48:31.808085115 +0100
+++ b/anyjson/__init__.py	2018-11-03 12:48:39.784931829 +0100
@@ -1,7 +1,10 @@
 """Wraps the best available JSON implementation available in a common
 interface"""
 
+from __future__ import print_function
 import sys
+from future.utils import raise_with_traceback
+from past.builtins import basestring
 
 VERSION = (0, 3, 3)
 __version__ = ".".join(map(str, VERSION[0:3])) + "".join(VERSION[3:])
@@ -85,8 +88,8 @@
         TypeError if the object could not be serialized."""
         try:
             return self._encode(data)
-        except self._encode_error, exc:
-            raise TypeError, TypeError(*exc.args), sys.exc_info()[2]
+        except self._encode_error as exc:
+            raise_with_traceback(TypeError(*exc.args))
     serialize = dumps
 
     def loads(self, s):
@@ -97,8 +100,8 @@
             if self._filedecode and not isinstance(s, basestring):
                 return self._filedecode(StringIO(s))
             return self._decode(s)
-        except self._decode_error, exc:
-            raise ValueError, ValueError(*exc.args), sys.exc_info()[2]
+        except self._decode_error as exc:
+            raise_with_traceback(ValueError(*exc.args))
     deserialize = loads
 
 
@@ -117,7 +120,7 @@
     # We do NOT try to load a compatible module because that may throw an
     # exception, which renders the package uninstallable with easy_install
     # (It trys to execfile the script when installing, to make sure it works)
-    print "Running anyjson as a stand alone script is not supported"
+    print("Running anyjson as a stand alone script is not supported")
     sys.exit(1)
 else:
     for modspec in _modules:
diff -ur a/setup.py b/setup.py
--- a/setup.py	2018-11-03 12:48:31.808085115 +0100
+++ b/setup.py	2018-11-03 12:48:47.935115786 +0100
@@ -87,6 +87,9 @@
             'Programming Language :: Python :: 2.7',
             'Programming Language :: Python :: 3',
             'Programming Language :: Python :: 3.1',
+            'Programming Language :: Python :: 3.4',
+            'Programming Language :: Python :: 3.5',
+            'Programming Language :: Python :: 3.6',
             'Programming Language :: Python :: Implementation :: CPython',
             'Programming Language :: Python :: Implementation :: PyPy',
             'Programming Language :: Python :: Implementation :: Jython',