human
Solve the following python programming problem given the following code:
def create_or_update(self, resource_group_name, virtual_network_name, parameters, custom_headers = { 
    
}, raw = False, **operation_config) : 
    '
        The Put VirtualNetwork operation creates/updates a virtual network in
        the specified resource group.

        :param resource_group_name: The name of the resource group.
        :type resource_group_name: str
        :param virtual_network_name: The name of the virtual network.
        :type virtual_network_name: str
        :param parameters: Parameters supplied to the create/update Virtual
         Network operation
        :type parameters: :class:`VirtualNetwork
         <azure.mgmt.network.models.VirtualNetwork>`
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :rtype:
         :class:`AzureOperationPoller<msrestazure.azure_operation.AzureOperationPoller>`
         instance that returns :class:`VirtualNetwork
         <azure.mgmt.network.models.VirtualNetwork>`
        :rtype: :class:`ClientRawResponse<msrest.pipeline.ClientRawResponse>`
         if raw=true
        ' 
    url = '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/virtualnetworks/{virtualNetworkName}' 
    path_format_arguments = { 
        'resourceGroupName' : self._serialize.url ('resource_group_name', resource_group_name, 'str'), 
        'virtualNetworkName' : self._serialize.url ('virtual_network_name', virtual_network_name, 'str'), 
        'subscriptionId' : self._serialize.url ('self.config.subscription_id', self.config.subscription_id, 'str'), 
} 
    url = self._client.format_url (url, ** path_format_arguments) 
    query_parameters = { 
        
} 
    query_parameters ['api-version'] = self._serialize.query ('self.config.api_version', self.config.api_version, 'str') 
    header_parameters = { 
        
} 
    header_parameters ['Content-Type'] = 'application/json.
charset=utf-8' 
   ...

    
    

    Fix the buggy line: return AzureOperationPoller (long_running_send, get_long_running_output, path_format_arguments, long_running_operation_timeout)
assistant
#Here is Python code to fix the buggy line: return AzureOperationPoller (long_running_send, get_long_running_output, path_format_arguments, long_running_operation_timeout)
.

return AzureOperationPoller (long_running_send, get_long_running_output, def get_long_running_status(, long_running_operation_timeout)