old_contents: # (C) Copyright 2014 Hewlett Packard Enterprise Development Company LP
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT 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 monascaclient.openstack.common.apiclient import base
  
  
  class MonascaManager(base.BaseManager):
  
      def __init__(self, client, **kwargs):
          super(MonascaManager, self).__init__(client)
  
      def get_headers(self):
          headers = self.client.credentials_headers()
          return headers
  
      def get_dimensions_url_string(self, dimdict):
          dim_list = list()
          for k, v in dimdict.items():
              # In case user specifies a dimension multiple times
              if isinstance(v, (list, tuple)):
                  v = v[-1]
              dim_str = k + ':' + v
              dim_list.append(dim_str)
          return ','.join(dim_list)
  
new_contents: # (C) Copyright 2014 Hewlett Packard Enterprise Development Company LP
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT 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 monascaclient.openstack.common.apiclient import base
  
  
  class MonascaManager(base.BaseManager):
  
      def __init__(self, client, **kwargs):
          super(MonascaManager, self).__init__(client)
  
      def get_headers(self):
          headers = self.client.credentials_headers()
          return headers
  
      def get_dimensions_url_string(self, dimdict):
          dim_list = list()
          for k, v in dimdict.items():
              # In case user specifies a dimension multiple times
              if isinstance(v, (list, tuple)):
                  v = v[-1]
              if v:
                  dim_str = k + ':' + v
              else:
                  dim_str = k
              dim_list.append(dim_str)
          return ','.join(dim_list)
  
subject: Fix metric dimensions having only key