Transform print statement to print function

Partial implement: blueprint py33-support

Change-Id: Ieed61447746bc5f598dcdfa89362aaa93f7c0dec

heatclient/common/utils.py

@@ -12,6 +12,7 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
+from __future__ import print_function
 
 import json
 import os
@@ -72,9 +73,9 @@ def print_list(objs, fields, field_labels=None, formatters={}, sortby=None):
                 row.append(data)
         pt.add_row(row)
     if sortby is None:
-        print pt.get_string()
+        print(pt.get_string())
     else:
-        print pt.get_string(sortby=field_labels[sortby])
+        print(pt.get_string(sortby=field_labels[sortby]))
 
 
 def print_dict(d, formatters={}):
@@ -87,7 +88,7 @@ def print_dict(d, formatters={}):
             pt.add_row([field, formatters[field](d[field])])
         else:
             pt.add_row([field, d[field]])
-    print pt.get_string(sortby='Property')
+    print(pt.get_string(sortby='Property'))
 
 
 def find_resource(manager, name_or_id):
@@ -141,7 +142,7 @@ def import_versioned_module(version, submodule=None):
 
 def exit(msg=''):
     if msg:
-        print >> sys.stderr, msg
+        print(msg, file=sys.stderr)
     sys.exit(1)