diff --git a/tools/vmware_ovf_upload.py b/tools/vmware_ovf_upload.py
index 4f3f0e7..834068d 100755
--- a/tools/vmware_ovf_upload.py
+++ b/tools/vmware_ovf_upload.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-##
+# #
 # Copyright 2016-2017 VMware Inc.
 # This file is part of ETSI OSM
 # All Rights Reserved.
@@ -19,26 +19,25 @@
 #
 # For those usages not covered by the Apache License, Version 2.0 please
 # contact:  osslegalrouting@vmware.com
-##
+# #
 
-
-from xml.etree import ElementTree as XmlElementTree
-from pyvcloud.vcd.client import BasicLoginCredentials,Client
-from pyvcloud.vcd.vdc import VDC
-from pyvcloud.vcd.org import Org
-import sys,os
 import logging
-import requests
-import time
-import re
-import hashlib
+import os
 from progressbar import Percentage, Bar, ETA, FileTransferSpeed, ProgressBar
-
+from pyvcloud.vcd.client import BasicLoginCredentials, Client
+from pyvcloud.vcd.org import Org
+import re
+import requests
+import sys
+import time
+from xml.etree import ElementTree as XmlElementTree
 
 API_VERSION = '5.6'
 
+
 class vCloudconfig(object):
-    def __init__(self, host=None, user=None, password=None,orgname=None, logger=None):
+
+    def __init__(self, host=None, user=None, password=None, orgname=None, logger=None):
         self.url = host
         self.user = user
         self.password = password
@@ -55,12 +54,12 @@
 
         try:
             self.logger.debug("Logging in to a vcd {} as user {}".format(self.org,
-                                                                       self.user))
+                                                                         self.user))
             client = Client(self.url, verify_ssl_certs=False)
             client.set_credentials(BasicLoginCredentials(self.user, self.org, self.password))
-        except:
+        except Exception:
             raise Exception("Can't connect to a vCloud director org: "
-                                                     "{} as user: {}".format(self.org, self.user))
+                            "{} as user: {}".format(self.org, self.user))
 
         return client
 
@@ -84,19 +83,19 @@
 
         self.logger.debug("get_catalog_id_from_path() client requesting {} ".format(path))
 
-        dirpath, filename = os.path.split(path)
-        flname, file_extension = os.path.splitext(path)
+        _, filename = os.path.split(path)
+        _, file_extension = os.path.splitext(path)
         if file_extension != '.ovf':
             self.logger.debug("Wrong file extension {} connector support only OVF container.".format(file_extension))
             raise Exception("Wrong container.  vCloud director supports only OVF.")
 
         self.logger.debug("File name {} Catalog Name {} file path {} ".format(filename,
-                                                                          catalog_name,
-                                                                                 path))
+                                                                              catalog_name,
+                                                                              path))
         try:
             client = self.connect()
             if not client:
-                raise Exception("Failed to connect vCD") 
+                raise Exception("Failed to connect vCD")
             org = Org(client, resource=client.get_org())
             catalogs = org.list_catalogs()
         except Exception as exp:
@@ -109,7 +108,7 @@
             if result is None:
                 raise Exception("Failed to create new catalog {} ".format(catalog_name))
             result = self.upload_ovf(org=org, catalog_name=catalog_name, image_name=filename.split(".")[0],
-                               media_file_name=path, description='medial_file_name', progress=progress)
+                                     media_file_name=path, description='medial_file_name', progress=progress)
             if not result:
                 raise Exception("Failed to create vApp template for catalog {} ".format(catalog_name))
             return self.get_catalogid(catalog_name, catalogs)
@@ -118,18 +117,18 @@
                 # search for existing catalog if we find same name we return ID
                 if catalog['name'] == catalog_name:
                     self.logger.debug("Found existing catalog entry for {} "
-                                        "catalog id {}".format(catalog_name,
-                                  self.get_catalogid(catalog_name, catalogs)))
+                                      "catalog id {}".format(catalog_name,
+                                                             self.get_catalogid(catalog_name, catalogs)))
                     return self.get_catalogid(catalog_name, catalogs)
 
         # if we didn't find existing catalog we create a new one and upload image.
         self.logger.debug("Creating new catalog entry {} - {}".format(catalog_name, catalog_name))
-        result = org.create_catalog(catalog_name, catalog_name) 
+        result = org.create_catalog(catalog_name, catalog_name)
         if result is None:
             raise Exception("Failed to create new catalog {} ".format(catalog_name))
 
         result = self.upload_ovf(org=org, catalog_name=catalog_name, image_name=filename.split(".")[0],
-                               media_file_name=path, description='medial_file_name', progress=progress)
+                                 media_file_name=path, description='medial_file_name', progress=progress)
         if not result:
             raise Exception("Failed create vApp template for catalog {} ".format(catalog_name))
 
@@ -176,21 +175,23 @@
                     continue
                 catalog_href = "{}/api/catalog/{}/action/upload".format(self.url, catalog['id'])
                 data = """
-                <UploadVAppTemplateParams name="{}" xmlns="http://www.vmware.com/vcloud/v1.5" xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1"><Description>{} vApp Template</Description></UploadVAppTemplateParams>
+                <UploadVAppTemplateParams name="{}" xmlns="http://www.vmware.com/vcloud/v1.5"
+                xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1">
+                <Description>{} vApp Template</Description></UploadVAppTemplateParams>
                 """.format(catalog_name, description)
 
                 if client:
-                    headers = {'Accept':'application/*+xml;version=' + API_VERSION,
-                           'x-vcloud-authorization': client._session.headers['x-vcloud-authorization']}
+                    headers = {'Accept': 'application/*+xml;version=' + API_VERSION,
+                               'x-vcloud-authorization': client._session.headers['x-vcloud-authorization']}
                     headers['Content-Type'] = 'application/vnd.vmware.vcloud.uploadVAppTemplateParams+xml'
 
                 response = requests.post(url=catalog_href,
-                                          headers=headers,
-                                                data=data,
-                                             verify=False)
+                                         headers=headers,
+                                         data=data,
+                                         verify=False)
                 if response.status_code != 201:
                     self.logger.debug("Failed to create vApp template")
-                    raise Exception("Failed to create vApp template")   
+                    raise Exception("Failed to create vApp template")
 
                 if response.status_code == requests.codes.created:
                     catalogItem = XmlElementTree.fromstring(response.content)
@@ -200,45 +201,48 @@
                     template = href
 
                     response = requests.get(url=href,
-                                    headers=headers,
-                                       verify=False)
+                                            headers=headers,
+                                            verify=False)
                     if response.status_code == requests.codes.ok:
                         headers['Content-Type'] = 'Content-Type text/xml'
-                        result = re.search('rel="upload:default"\shref="(.*?\/descriptor.ovf)"',response.content)
+                        result = re.search('rel="upload:default"\shref="(.*?\/descriptor.ovf)"', response.content)
                         if result:
                             transfer_href = result.group(1)
 
                         response = requests.put(url=transfer_href, headers=headers,
-                                        data=open(media_file_name, 'rb'),
-                                                            verify=False)
+                                                data=open(media_file_name, 'rb'),
+                                                verify=False)
 
                         if response.status_code != requests.codes.ok:
                             self.logger.debug(
-                                "Failed create vApp template for catalog name {} and image {}".format(catalog_name,
-                                                                                                      media_file_name))
+                                "Failed create vApp template for catalog name {} and image {}".format(
+                                    catalog_name,
+                                    media_file_name))
                             return False
 
                     # TODO fix this with aync block
                     time.sleep(5)
 
-                    self.logger.debug("vApp template for catalog name {} and image {}".format(catalog_name, media_file_name))
+                    self.logger.debug("vApp template for catalog name {} and image {}".format(
+                        catalog_name,
+                        media_file_name))
 
                     # uploading VMDK file
                     # check status of OVF upload and upload remaining files.
 
                     response = requests.get(url=template,
-                                         headers=headers,
+                                            headers=headers,
                                             verify=False)
 
                     if response.status_code == requests.codes.ok:
-                        result = re.search('rel="upload:default"\s*href="(.*?vmdk)"',response.content)
+                        result = re.search('rel="upload:default"\s*href="(.*?vmdk)"', response.content)
                         if result:
                             link_href = result.group(1)
                         # we skip ovf since it already uploaded.
                         if 'ovf' in link_href:
                             continue
                         # The OVF file and VMDK must be in a same directory
-                        head, tail = os.path.split(media_file_name)
+                        head, _ = os.path.split(media_file_name)
                         file_vmdk = head + '/' + link_href.split("/")[-1]
                         if not os.path.isfile(file_vmdk):
                             return False
@@ -248,7 +252,7 @@
                         hrefvmdk = link_href
                         if progress:
                             widgets = ['Uploading file: ', Percentage(), ' ', Bar(), ' ', ETA(), ' ',
-                                           FileTransferSpeed()]
+                                       FileTransferSpeed()]
                             progress_bar = ProgressBar(widgets=widgets, maxval=statinfo.st_size).start()
 
                         bytes_transferred = 0
@@ -260,9 +264,9 @@
                                     bytes_transferred, len(my_bytes) - 1, statinfo.st_size)
                                 headers['Content-Length'] = str(len(my_bytes))
                                 response = requests.put(url=hrefvmdk,
-                                                         headers=headers,
-                                                         data=my_bytes,
-                                                         verify=False)
+                                                        headers=headers,
+                                                        data=my_bytes,
+                                                        verify=False)
                                 if response.status_code == requests.codes.ok:
                                     bytes_transferred += len(my_bytes)
                                     if progress:
@@ -270,7 +274,7 @@
                                 else:
                                     self.logger.debug(
                                         'file upload failed with error: [%s] %s' % (response.status_code,
-                                                                                        response.content))
+                                                                                    response.content))
 
                                     f.close()
                                     return False
@@ -282,18 +286,21 @@
                 else:
                     self.logger.debug("Failed retrieve vApp template for catalog name {} for OVF {}".
                                       format(catalog_name, media_file_name))
-                    return False 
+                    return False
         except Exception as exp:
             self.logger.debug("Failed while uploading OVF to catalog {} for OVF file {} with Exception {}"
-                .format(catalog_name,media_file_name, exp))
+                              .format(catalog_name, media_file_name, exp))
             raise Exception(
                 "Failed while uploading OVF to catalog {} for OVF file {} with Exception {}"
-                .format(catalog_name,media_file_name, exp))  
+                .format(catalog_name, media_file_name, exp))
         self.logger.debug("Failed to retrieve catalog name {} for OVF file {}".format(catalog_name, media_file_name))
-        return False   
+        return False
+
 
 if __name__ == "__main__":
 
+    print("This file is deprecated.  Please use ovf_uplader_cli instead.")
+
     # vmware vcloud director credentials
     vcd_hostname = sys.argv[1]
     vcd_username = sys.argv[2]
@@ -302,17 +309,7 @@
     # OVF image path to be upload to vCD
     ovf_file_path = sys.argv[5]
 
-    # changing virtual system type in ovf file
-    fh = open(ovf_file_path,'r')
-    content = fh.read()
-    content = content.replace('<vssd:VirtualSystemType>vmx-7','<vssd:VirtualSystemType>vmx-07')
-    fh.close() 
-    fh1 = open(ovf_file_path,'w')
-    fh1.write(content)
-    fh1.close() 
-     
-
-    logging.basicConfig(filename='ovf_upload.log',level=logging.DEBUG)
+    logging.basicConfig(filename='ovf_upload.log', level=logging.DEBUG)
     logger = logging.getLogger(__name__)
 
     obj = vCloudconfig(vcd_hostname, vcd_username, vcd_password, orgname, logger)
@@ -322,10 +319,11 @@
 
     # Get image name from cirros vnfd
     cirros_yaml = '../descriptor-packages/vnfd/cirros_vnf/src/cirros_vnfd.yaml'
-    rh = open(cirros_yaml,'r')
-    match = re.search("image:\s'(.*?)'\n",rh.read())
-    if match: catalog = match.group(1)
+    rh = open(cirros_yaml, 'r')
+    match = re.search("image:\s'(.*?)'\n", rh.read())
+    if match:
+        catalog = match.group(1)
 
     if file_extension == '.ovf':
         obj.get_catalog_id_from_path(catalog_name=catalog, path=ovf_file_path,
-                                                               progress=True)
+                                     progress=True)