Python3 fixes

Change-Id: I64669dad15ea2c83fec5cf317e7f5c030068b409
(cherry picked from commit b9214c2507)

cloudpulse/cmd/api.py

@@ -13,6 +13,8 @@
 #    limitations under the License.
 
 """Starter script for the Cloudpulse API service."""
+import eventlet
+eventlet.monkey_patch()
 
 import logging as std_logging
 import os

cloudpulse/objects/cpulse.py

@@ -57,7 +57,10 @@ class Cpulse(base.CloudpulsePersistentObject, base.CloudpulseObject,
     def _from_db_object(test, db):
         """Converts a database entity to a formal object."""
         for field in test.fields:
-            test[field] = db[field]
+            if isinstance(db[field], bytes):
+                test[field] = db[field].decode('utf-8')
+            else:
+                test[field] = db[field]
 
         test.obj_reset_changes()
         return test

cloudpulse/scenario/plugins/operator_tests/operator.py

@@ -98,8 +98,8 @@ def execute(command):
             return {'status': 126, 'output': ""}
 
     if p.returncode == 126 or p.returncode == 127:
-        stdout = str(b"")
-    return {'status': p.returncode, 'output': stdout}
+        stdout = b''
+    return {'status': p.returncode, 'output': stdout.decode('utf-8')}
 
 
 def get_container_name(name):