diff --git a/ez_setup.py b/ez_setup.py
index 1ff1d3e..440f7d3 100644
--- a/ez_setup.py
+++ b/ez_setup.py
@@ -216,10 +216,9 @@ def main(argv, version=DEFAULT_VERSION):
                 os.unlink(egg)
     else:
         if setuptools.__version__ == '0.0.1':
-            print >>sys.stderr, (
-            "You have an obsolete version of setuptools installed.  Please\n"
-            "remove it from your system entirely before rerunning this script."
-            )
+            print("You have an obsolete version of setuptools installed.  Please\n"
+                  "remove it from your system entirely before rerunning this script.",
+                  file=sys.stderr)
             sys.exit(2)
 
     req = "setuptools>="+version
@@ -238,8 +237,8 @@ def main(argv, version=DEFAULT_VERSION):
             from setuptools.command.easy_install import main
             main(argv)
         else:
-            print "Setuptools version",version,"or greater has been installed."
-            print '(Run "ez_setup.py -U setuptools" to reinstall or upgrade.)'
+            print("Setuptools version",version,"or greater has been installed.")
+            print('(Run "ez_setup.py -U setuptools" to reinstall or upgrade.)')
 
 def update_md5(filenames):
     """Update our built-in md5 registry"""
@@ -262,7 +261,7 @@ def update_md5(filenames):
 
     match = re.search("\nmd5_data = {\n([^}]+)}", src)
     if not match:
-        print >>sys.stderr, "Internal error!"
+        print("Internal error!", file=sys.stderr)
         sys.exit(2)
 
     src = src[:match.start(1)] + repl + src[match.end(1):]
@@ -275,10 +274,4 @@ def update_md5(filenames):
     if len(sys.argv)>2 and sys.argv[1]=='--md5update':
         update_md5(sys.argv[2:])
     else:
-        main(sys.argv[1:])
-
-
-
-
-
-
+        main(sys.argv[1:])
\ No newline at end of file
diff --git a/recaptcha/client/captcha.py b/recaptcha/client/captcha.py
index 156c6d4..5baf2d2 100644
--- a/recaptcha/client/captcha.py
+++ b/recaptcha/client/captcha.py
@@ -1,4 +1,4 @@
-import urllib2, urllib
+import urllib.request, urllib.parse
 
 API_SSL_SERVER="https://www.google.com/recaptcha/api"
 API_SERVER="http://www.google.com/recaptcha/api"
@@ -61,20 +61,20 @@ def submit (recaptcha_challenge_field,
     
 
     def encode_if_necessary(s):
-        if isinstance(s, unicode):
+        if isinstance(s, str):
             return s.encode('utf-8')
         return s
 
-    params = urllib.urlencode ({
+    params = urllib.parse.urlencode ({
             'privatekey': encode_if_necessary(private_key),
             'remoteip' :  encode_if_necessary(remoteip),
             'challenge':  encode_if_necessary(recaptcha_challenge_field),
             'response' :  encode_if_necessary(recaptcha_response_field),
             })
 
-    request = urllib2.Request (
+    request = urllib.request.Request (
         url = "http://%s/recaptcha/api/verify" % VERIFY_SERVER,
-        data = params,
+        data = params.encode('utf-8'),
         headers = {
             "Content-type": "application/x-www-form-urlencoded",
             "User-agent": "reCAPTCHA Python"
@@ -82,20 +82,20 @@ def encode_if_necessary(s):
         )
     
     if not proxy:
-        httpresp = urllib2.urlopen (request)
+        httpresp = urllib.request.urlopen (request)
     else:
-        opener = urllib2.build_opener(
-            urllib2.HTTPHandler(),
-            urllib2.HTTPSHandler(),
-            urllib2.ProxyHandler({'https': 'http://'+proxy, 'http': 'http://'+proxy}))
+        opener = urllib.request.build_opener(
+            urllib.request.HTTPHandler(),
+            urllib.request.HTTPSHandler(),
+            urllib.request.ProxyHandler({'https': 'http://'+proxy, 'http': 'http://'+proxy}))
         httpresp = opener.open(request);
 
-    return_values = httpresp.read ().splitlines ();
-    httpresp.close();
+    return_values = httpresp.read().splitlines()
+    httpresp.close()
 
-    return_code = return_values [0]
+    return_code = return_values[0].decode()
 
     if (return_code == "true"):
         return RecaptchaResponse (is_valid=True)
     else:
-        return RecaptchaResponse (is_valid=False, error_code = return_values [1])
+        return RecaptchaResponse (is_valid=False, error_code = return_values[1].decode())
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 23cf0fe..25212e3 100755
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
     from setuptools import setup, find_packages
 
 setup(name='recaptcha-client',
-      version='1.0.6',
+      version='2.0.0',
       url = "http://recaptcha.net",
       author = "Ben Maurer",
       author_email = "support@recaptcha.net",