remove unnecessary includes

Change-Id: Ia9483440f19975c200580f4ba72ea282094276d2
diff --git a/xos/tosca/resources/exampletenant.py b/xos/tosca/resources/exampletenant.py
index d9239f9..d4e4683 100644
--- a/xos/tosca/resources/exampletenant.py
+++ b/xos/tosca/resources/exampletenant.py
@@ -1,15 +1,7 @@
-import importlib
-import os
-import pdb
-import sys
-import tempfile
-sys.path.append("/opt/tosca")
-from translator.toscalib.tosca_template import ToscaTemplate
+from xosresource import XOSResource
 from core.models import Tenant, Service
 from services.exampleservice.models import ExampleTenant, SERVICE_NAME as EXAMPLETENANT_KIND
 
-from xosresource import XOSResource
-
 class XOSExampleTenant(XOSResource):
     provides = "tosca.nodes.ExampleTenant"
     xos_model = ExampleTenant