@@ -315,7 +315,9 @@ def test_endpoint_list_no_options(self):
315315 verifylist = []
316316 parsed_args = self .check_parser (self .cmd , arglist , verifylist )
317317
318- # DisplayCommandBase.take_action() returns two tuples
318+ # In base command class Lister in cliff, abstract method take_action()
319+ # returns a tuple containing the column names and an iterable
320+ # containing the data to be listed.
319321 columns , data = self .cmd .take_action (parsed_args )
320322 self .endpoints_mock .list .assert_called_with ()
321323
@@ -342,7 +344,9 @@ def test_endpoint_list_service(self):
342344 ]
343345 parsed_args = self .check_parser (self .cmd , arglist , verifylist )
344346
345- # DisplayCommandBase.take_action() returns two tuples
347+ # In base command class Lister in cliff, abstract method take_action()
348+ # returns a tuple containing the column names and an iterable
349+ # containing the data to be listed.
346350 columns , data = self .cmd .take_action (parsed_args )
347351
348352 # Set expected values
@@ -374,7 +378,9 @@ def test_endpoint_list_interface(self):
374378 ]
375379 parsed_args = self .check_parser (self .cmd , arglist , verifylist )
376380
377- # DisplayCommandBase.take_action() returns two tuples
381+ # In base command class Lister in cliff, abstract method take_action()
382+ # returns a tuple containing the column names and an iterable
383+ # containing the data to be listed.
378384 columns , data = self .cmd .take_action (parsed_args )
379385
380386 # Set expected values
@@ -406,7 +412,9 @@ def test_endpoint_list_region(self):
406412 ]
407413 parsed_args = self .check_parser (self .cmd , arglist , verifylist )
408414
409- # DisplayCommandBase.take_action() returns two tuples
415+ # In base command class Lister in cliff, abstract method take_action()
416+ # returns a tuple containing the column names and an iterable
417+ # containing the data to be listed.
410418 columns , data = self .cmd .take_action (parsed_args )
411419
412420 # Set expected values
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