Fix some exception messages because some exception messages are not
outputed as expected.
In addition, the codes that seems to improve readability by explicitly
specifying the arguments are also modified.
Change-Id: I425d15ea9f5a3d0b6132ffd03cb577e583239c3a
Closes-Bug: #1881510
After renaming the service 'servicevm' and 'advsvc' in install file,
functional tests were failing. Now renamed to 'tacker' in all files of
python-tackerclient repo so that functional test wouldn't fail.
Change-Id: I919d77276af72586a20f50239166325adbf9fb11
Partial-Bug: #1524224
This Patch fixes all H405 errors and enables this test.
[H405] Multi line docstring summary not separated with an empty line
Change-Id: I93a9f477f27c259bbfed20ff93105e63d5f6f82c
Related-Bug: 1516045
