Fix undefined variables, basestring usage, and some associated python3 issues

lib/ansible/modules/cloud/softlayer/sl_vm.py

@@ -236,8 +236,22 @@ EXAMPLES = '''
 # TODO: Disabled RETURN as it is breaking the build for docs. Needs to be fixed.
 RETURN = '''# '''
 
+import json
 import time
 
+try:
+    import SoftLayer
+    from SoftLayer import VSManager
+
+    HAS_SL = True
+    vsManager = VSManager(SoftLayer.create_client_from_env())
+except ImportError:
+    HAS_SL = False
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.six import string_types
+
+
 #TODO: get this info from API
 STATES = ['present', 'absent']
 DATACENTERS = ['ams01', 'ams03', 'che01', 'dal01', 'dal05', 'dal06', 'dal09', 'dal10', 'fra02', 'hkg02', 'hou02', 'lon02', 'mel01', 'mex01', 'mil01', 'mon01',
@@ -249,15 +263,6 @@ LOCALDISK_SIZES = [25, 100, 150, 200, 300]
 SANDISK_SIZES = [10, 20, 25, 30, 40, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 500, 750, 1000, 1500, 2000]
 NIC_SPEEDS = [10, 100, 1000]
 
-try:
-    import SoftLayer
-    from SoftLayer import VSManager
-
-    HAS_SL = True
-    vsManager = VSManager(SoftLayer.create_client_from_env())
-except ImportError:
-    HAS_SL = False
-
 
 def create_virtual_instance(module):
 
@@ -329,7 +334,7 @@ def cancel_instance(module):
     canceled = True
     if module.params.get('instance_id') is None and (module.params.get('tags') or module.params.get('hostname') or module.params.get('domain')):
         tags = module.params.get('tags')
-        if isinstance(tags, basestring):
+        if isinstance(tags, string_types):
             tags = [module.params.get('tags')]
         instances = vsManager.list_instances(tags = tags, hostname = module.params.get('hostname'), domain = module.params.get('domain'))
         for instance in instances:
@@ -390,7 +395,6 @@ def main():
 
     module.exit_json(changed=changed, instance=json.loads(json.dumps(instance, default=lambda o: o.__dict__)))
 
-from ansible.module_utils.basic import *
 
 if __name__ == '__main__':
     main()