diff --git a/foremanexplore.py b/foremanexplore.py
index 1d9d8dd..0bb0395 100644
--- a/foremanexplore.py
+++ b/foremanexplore.py
@@ -145,15 +145,15 @@ def clean_dict(obj):
                     }
 
         # Check to see that we have all data, or set it to '' if not
-        if facts.has_key('is_virtual'):
+        if 'is_virtual' in facts:
             _is_virtual = facts['is_virtual']
         else:
             _is_virtual = False
-        if facts.has_key('serialnumber'):
+        if 'serialnumber' in facts:
             _serialnumber = facts['serialnumber']
         else:
             _serialnumber = ''
-        if facts.has_key('processors::models'):
+        if 'processors::models' in facts:
                 _processors_models = ast.literal_eval(facts['processors::models'])
         else:
             _processors_models = ['']
@@ -210,5 +210,5 @@ def clean_dict(obj):
 
 if __name__ == "__main__":
     retval = main()
-    print 'Done'
+    print('Done')
     sys.exit(retval)
diff --git a/nodefilter.py b/nodefilter.py
index d033e53..73ea9d7 100644
--- a/nodefilter.py
+++ b/nodefilter.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+from six import string_types
 
 
 def node_filter(ndata, filterlist):
@@ -22,7 +23,7 @@ def node_filter(ndata, filterlist):
         # Here 'aroot' should contain target attribute
 
         wrong_op = False
-        if isinstance(aroot, basestring):
+        if isinstance(aroot, string_types):
             if oprt in ['iequal', 'ieq']:
                 retval = str(fval).lower() == aroot.lower()
             elif oprt in ['equal', 'eq']:
@@ -35,13 +36,13 @@ def node_filter(ndata, filterlist):
                 retval = str(fval).lower() >= aroot.lower()
             elif oprt in ['less', 'lt']:
                 retval = str(fval) >= aroot
-            elif optr in ['isubstr', 'icontains']:
+            elif oprt in ['isubstr', 'icontains']:
                 retval = aroot.lower().find(str(fval).lower()) >= 0
-            elif optr in ['substr', 'contains']:
+            elif oprt in ['substr', 'contains']:
                 retval = aroot.find(str(fval)) >= 0
-            elif optr in ['in', 'iin']:
+            elif oprt in ['in', 'iin']:
                 if isinstance(fval, (list, dict)):
-                    if optr == 'in':
+                    if oprt == 'in':
                         retval = aroot in fval
                     else:  # iin - case-insensitive 'in'
                         retval = any([True for v in fval if aroot.lower() == v.lower()])
@@ -53,16 +54,16 @@ def node_filter(ndata, filterlist):
                 wrong_op = True
 
         elif isinstance(aroot, (list, dict)):
-            if optr in ['has', 'contains']:
+            if oprt in ['has', 'contains']:
                 retval = str(fval) in aroot
-            elif optr in ['ihas', 'icontains']:
+            elif oprt in ['ihas', 'icontains']:
                 retval = any([True for v in aroot if fval.lower() == v.lower()])
-            elif optr in ['empty']:
+            elif oprt in ['empty']:
                 retval = not aroot
             else:
                 wrong_op = True
 
-        elif isinstance(aroot, (int, float, long)):
+        elif isinstance(aroot, (int, float)):
             if oprt in ['equal', 'eq']:
                 retval = fval == aroot
             elif oprt in ['greater', 'gt']:
diff --git a/puppetexplore.py b/puppetexplore.py
index be7dad4..3317a32 100644
--- a/puppetexplore.py
+++ b/puppetexplore.py
@@ -71,7 +71,7 @@ def d42_update(dev42, nodes, options, static_opt, mapping, from_version='3', pup
             continue
 
         if options.get('show_node'):
-            print node
+            print(node)
 
         node_name = node['hostname']
 
@@ -209,7 +209,7 @@ def get_depth(obj):
                         except KeyError:
                             continue
 
-                        if type(step) in [unicode, str, int]:
+                        if type(step) in [str, int]:
                             value = step
                         elif type(step) in [list, tuple, dict]:
                             value = len(step)
@@ -301,7 +301,7 @@ def get_depth(obj):
                             updated_ips.append(updateinfo['msg'][1])
                             logger.info("IP %s for device %s updated/created (id %s)" % (ifs['ip6'], node_name, deviceid))
                         except device42.Device42HTTPError as e:
-                            print e
+                            print(e)
 
                         if 'network6' in ifs and 'netmask6' in ifs:
                             # update IPv6 subnet
@@ -316,7 +316,7 @@ def get_depth(obj):
                                 updated_ips.append(updateinfo['msg'][1])
                                 logger.info("Subnet %s/%s for device %s updated/created (id %s)" % (ifs['network6'], mask, node_name, deviceid))
                             except device42.Device42HTTPError as e:
-                                print e
+                                print(e)
 
             # Delete other IPs from the device
             if updated_ips:
@@ -406,5 +406,5 @@ def main():
 
 if __name__ == "__main__":
     retval = main()
-    print 'Done'
+    print('Done')
     sys.exit(retval)
diff --git a/puppetwrapper.py b/puppetwrapper.py
index fb20bb2..6364ac5 100644
--- a/puppetwrapper.py
+++ b/puppetwrapper.py
@@ -12,6 +12,7 @@
 
 import json
 import requests
+from six import string_types
 requests.packages.urllib3.disable_warnings()
 
 
@@ -74,7 +75,7 @@ def _from_pson(self, data):
             newdata = {}
             for k, v in data.items():
                 newdata[k] = self._from_pson(v)
-        elif isinstance(data, basestring):
+        elif isinstance(data, string_types):
             # try convert ruby-styled serialized Hash to python dict
             if '"=>' in data:
                 try: