diff --git a/awx/plugins/inventory/rax.py b/awx/plugins/inventory/rax.py
index f29e0e8ba0..89ff425717 100755
--- a/awx/plugins/inventory/rax.py
+++ b/awx/plugins/inventory/rax.py
@@ -155,8 +155,6 @@ import ConfigParser
 
 from six import iteritems
 
-from ansible.constants import get_config, mk_boolean
-
 try:
     import json
 except ImportError:
@@ -166,11 +164,12 @@ try:
     import pyrax
     from pyrax.utils import slugify
 except ImportError:
-    print('pyrax is required for this module')
-    sys.exit(1)
+    sys.exit('pyrax is required for this module')
 
 from time import time
 
+from ansible.constants import get_config, mk_boolean
+
 
 NON_CALLABLES = (basestring, bool, dict, int, list, type(None))
 
@@ -227,12 +226,21 @@ def _list_into_cache(regions):
 
     prefix = get_config(p, 'rax', 'meta_prefix', 'RAX_META_PREFIX', 'meta')
 
-    networks = get_config(p, 'rax', 'access_network', 'RAX_ACCESS_NETWORK',
-                          'public', islist=True)
     try:
-        ip_versions = map(int, get_config(p, 'rax', 'access_ip_version',
-                                          'RAX_ACCESS_IP_VERSION', 4,
-                                          islist=True))
+        # Ansible 2.3+
+        networks = get_config(p, 'rax', 'access_network',
+                'RAX_ACCESS_NETWORK', 'public', value_type='list')
+    except TypeError:
+        # Ansible 2.2.x and below
+        networks = get_config(p, 'rax', 'access_network',
+                'RAX_ACCESS_NETWORK', 'public', islist=True)
+    try:
+        try:
+            ip_versions = map(int, get_config(p, 'rax', 'access_ip_version',
+                'RAX_ACCESS_IP_VERSION', 4, value_type='list'))
+        except TypeError:
+            ip_versions = map(int, get_config(p, 'rax', 'access_ip_version',
+                'RAX_ACCESS_IP_VERSION', 4, islist=True))
     except:
         ip_versions = [4]
     else:
@@ -406,10 +414,9 @@ def setup():
         if os.path.isfile(default_creds_file):
             creds_file = default_creds_file
         elif not keyring_username:
-            sys.stderr.write('No value in environment variable %s and/or no '
-                             'credentials file at %s\n'
-                             % ('RAX_CREDS_FILE', default_creds_file))
-            sys.exit(1)
+            sys.exit('No value in environment variable %s and/or no '
+                     'credentials file at %s'
+                     % ('RAX_CREDS_FILE', default_creds_file))
 
     identity_type = pyrax.get_setting('identity_type')
     pyrax.set_setting('identity_type', identity_type or 'rackspace')
@@ -422,23 +429,28 @@ def setup():
         else:
             pyrax.set_credential_file(creds_file, region=region)
     except Exception as e:
-        sys.stderr.write("%s: %s\n" % (e, e.message))
-        sys.exit(1)
+        sys.exit("%s: %s" % (e, e.message))
 
     regions = []
     if region:
         regions.append(region)
     else:
-        region_list = get_config(p, 'rax', 'regions', 'RAX_REGION', 'all',
-                                 islist=True)
+        try:
+            # Ansible 2.3+
+            region_list = get_config(p, 'rax', 'regions', 'RAX_REGION', 'all',
+                    value_type='list')
+        except TypeError:
+            # Ansible 2.2.x and below
+            region_list = get_config(p, 'rax', 'regions', 'RAX_REGION', 'all',
+                    islist=True)
+
         for region in region_list:
             region = region.strip().upper()
             if region == 'ALL':
                 regions = pyrax.regions
                 break
             elif region not in pyrax.regions:
-                sys.stderr.write('Unsupported region %s' % region)
-                sys.exit(1)
+                sys.exit('Unsupported region %s' % region)
             elif region not in regions:
                 regions.append(region)