diff --git a/umbra/umbra.py b/umbra/umbra.py
index d592b77..c81dff3 100755
--- a/umbra/umbra.py
+++ b/umbra/umbra.py
@@ -1,8 +1,7 @@
 #!/usr/bin/env python
 from json import dumps, loads
-import os,sys,argparse, urllib2
+import os,sys,argparse, urllib.request, urllib.error, urllib.parse
 import websocket
-import thread
 import time
 import uuid
 import logging
@@ -17,20 +16,20 @@ class Umbra:
         self.launch_tab_socket.run_forever()
         
     def get_websocket(self, on_open, url=None):
-        debug_info = loads(urllib2.urlopen("http://localhost:%s/json" % self.chrome_debug_port).read())
+        debug_info = loads(urllib.request.urlopen("http://localhost:%s/json" % self.chrome_debug_port).read())
         if url: #Polling for the data url we used to initialize the window
-            while not filter(lambda x: x['url'] == url, debug_info):
-                debug_info = loads(urllib2.urlopen("http://localhost:%s/json" % self.chrome_debug_port).read())
+            while not [x for x in debug_info if x['url'] == url]:
+                debug_info = loads(urllib.request.urlopen("http://localhost:%s/json" % self.chrome_debug_port).read())
                 time.sleep(0.5)
-            debug_info = filter(lambda x: x['url'] == url, debug_info)
+            debug_info = [x for x in debug_info if x['url'] == url]
         return_socket = websocket.WebSocketApp(debug_info[0]['webSocketDebuggerUrl'], on_message = self.on_message)
         return_socket.on_open = on_open
         return return_socket
         
     def on_message(self, ws, message):
         message = loads(message)
-        if "method" in message.keys() and message["method"] == "Network.requestWillBeSent":
-            print message
+        if "method" in list(message.keys()) and message["method"] == "Network.requestWillBeSent":
+            print(message)
             
     def on_open(self, ws):
         self.fetch_url("http://archive.org")
@@ -69,14 +68,14 @@ class Chrome():
         start = time.time()
         open_debug_port = lambda conn: conn.laddr[1] == int(self.port)
         chrome_ps_wrapper = psutil.Process(self.chrome_process.pid)
-        while time.time() - start < self.browser_wait and len(filter(open_debug_port, chrome_ps_wrapper.get_connections())) == 0:
+        while time.time() - start < self.browser_wait and len(list(filter(open_debug_port, chrome_ps_wrapper.get_connections()))) == 0:
             time.sleep(1)
-        if len(filter(open_debug_port, chrome_ps_wrapper.get_connections())) == 0:
+        if len(list(filter(open_debug_port, chrome_ps_wrapper.get_connections()))) == 0:
             self.chrome_process.kill()
             raise Exception("Chrome failed to listen on the debug port in time!")
 
     def __exit__(self, *args):
-        print "Killing"
+        print("Killing")
         self.chrome_process.kill() 
 
 if __name__ == "__main__":