diff --git a/cloudpulse/common/utils.py b/cloudpulse/common/utils.py
index 2f3ac51..ff3b34b 100644
--- a/cloudpulse/common/utils.py
+++ b/cloudpulse/common/utils.py
@@ -34,6 +34,7 @@ from oslo_concurrency import processutils
 from oslo_config import cfg
 from oslo_utils import excutils
 import paramiko
+from past.builtins import basestring
 import six
 
 from cloudpulse.common import exception
@@ -314,16 +315,16 @@ def read_cached_file(filename, cache_info, reload_func=None):
     return cache_info['data']
 
 
-def file_open(*args, **kwargs):
-    """Open file
-
-    see built-in file() documentation for more details
-
-    Note: The reason this is kept in a separate module is to easily
-          be able to provide a stub module that doesn't alter system
-          state at all (for unit tests)
-    """
-    return file(*args, **kwargs)
+# def file_open(*args, **kwargs):
+#    """Open file
+#
+#    see built-in file() documentation for more details
+#
+#    Note: The reason this is kept in a separate module is to easily
+#          be able to provide a stub module that doesn't alter system
+#          state at all (for unit tests)
+#    """
+#    return file(*args, **kwargs)
 
 
 def hash_file(file_like_object):
diff --git a/cloudpulse/conductor/cpulse_lock.py b/cloudpulse/conductor/cpulse_lock.py
index 4591286..69ea522 100644
--- a/cloudpulse/conductor/cpulse_lock.py
+++ b/cloudpulse/conductor/cpulse_lock.py
@@ -16,6 +16,7 @@ from cloudpulse import objects
 import contextlib
 from oslo_log import log as logging
 from oslo_utils import excutils
+from past.builtins import xrange
 import time
 
 LOG = logging.getLogger(__name__)
diff --git a/cloudpulse/operator/ansible/openstack_config_reader.py b/cloudpulse/operator/ansible/openstack_config_reader.py
index a5281ab..cb27b29 100644
--- a/cloudpulse/operator/ansible/openstack_config_reader.py
+++ b/cloudpulse/operator/ansible/openstack_config_reader.py
@@ -26,7 +26,7 @@ class os_cfg_reader(object):
         try:
             fp = open(abs_path)
         except IOError as e:
-            print ("Error while opening the file...%s" % e)
+            print("Error while opening the file...%s" % e)
             return
 
         try:
@@ -34,7 +34,7 @@ class os_cfg_reader(object):
             # print "self.hostYamlObj: ", self.hostYamlObj,
             # dir(self.hostYamlObj)
         except yaml.error.YAMLError as perr:
-            print ("Error while parsing...%s" % perr)
+            print("Error while parsing...%s" % perr)
             return
 
     def setOpenstackNodeIp(self):
@@ -62,10 +62,10 @@ class os_cfg_reader(object):
 
     def printHostList(self):
         for hostObj in self.openstack_host_list:
-            print ("IP - %s" % (hostObj.getIp()))
-            print ("HOST - %s" % (hostObj.getHost()))
-            print ("USER - %s" % (hostObj.getUser()))
-            print ("NAGIOS RUNNING - %s" % (str(hostObj.isNagiosRunning())))
+            print("IP - %s" % (hostObj.getIp()))
+            print("HOST - %s" % (hostObj.getHost()))
+            print("USER - %s" % (hostObj.getUser()))
+            print("NAGIOS RUNNING - %s" % (str(hostObj.isNagiosRunning())))
 
     def generate_ansible_config(self, os_obj_list):
         f = open('/var/sec_hc/ansible_hosts', 'w+')
diff --git a/cloudpulse/operator/ansible/openstack_node_info_reader.py b/cloudpulse/operator/ansible/openstack_node_info_reader.py
index 26909d5..fdd820c 100644
--- a/cloudpulse/operator/ansible/openstack_node_info_reader.py
+++ b/cloudpulse/operator/ansible/openstack_node_info_reader.py
@@ -25,12 +25,12 @@ class openstack_node_info_reader(object):
         try:
             fp = open(os_node_file)
         except IOError as e:
-            print ("Error while opening the file...%s", e)
+            print("Error while opening the file...%s", e)
             return
         try:
             self.hostYamlObj = yaml.safe_load(fp)
         except yaml.error.YAMLError as perr:
-            print ("Error while parsing...%s", perr)
+            print("Error while parsing...%s", perr)
             return
 
     def get_host_list(self):
@@ -54,8 +54,8 @@ class openstack_node_info_reader(object):
 
     def printHostList(self, openstack_host_list):
         for hostObj in openstack_host_list:
-            print ("%s - %s - %s", hostObj.getIp(),
-                   hostObj.getHost(), hostObj.getUser())
+            print("%s - %s - %s", hostObj.getIp(),
+                  hostObj.getHost(), hostObj.getUser())
 
     def get_galera_details(self):
         galera = {}
diff --git a/cloudpulse/tests/functional/test_utils.py b/cloudpulse/tests/functional/test_utils.py
index f5f4ec8..2dbf356 100644
--- a/cloudpulse/tests/functional/test_utils.py
+++ b/cloudpulse/tests/functional/test_utils.py
@@ -160,12 +160,12 @@ def create_parsed_yaml(yaml_file):
     try:
         fp = open(yaml_file)
     except IOError as ioerr:
-        print ("Failed to open file %s [%s]" % (yaml_file, ioerr))
+        print("Failed to open file %s [%s]" % (yaml_file, ioerr))
         raise IOError(ioerr)
     try:
         parsed = yaml.safe_load(fp)
     except yaml.error.YAMLError as perr:
-        print ("Failed to parse %s [%s]" % (yaml_file, perr))
+        print("Failed to parse %s [%s]" % (yaml_file, perr))
         return None
     fp.close()
     return parsed
diff --git a/requirements.txt b/requirements.txt
index 7f76061..0da10a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ pbr>=1.6
 ansible<2.0.0.0
 eventlet!=0.18.3,>=0.18.2 # MIT
 keystonemiddleware>=4.0.0,!=4.1.0,!=4.5.0 # Apache-2.0
-MySQL-python
+mysql-connector
 PyMySQL>=0.6.2,!=0.7.7 # MIT License
 oslo.config>=3.14.0  # Apache-2.0
 oslo.concurrency>=3.8.0         # Apache-2.0