Deprecation and syntax warnings in Python 3.8

[tirkarthi]

Deprecation warning due to invalid escape sequences. Using raw strings or escaping them again helps in resolving this. Check https://github.com/asottile/pyupgrade/ for automatic fix of this.

find . -iname '*.py' | grep -Ev 'rdf4|doc|benchmark|tool' | xargs -P4 -I{} python3.8 -Wall -m py_compile {}
./icontrol/session.py:475: DeprecationWarning: invalid escape sequence \*
  """Sends a HTTP DELETE command to the BIGIP REST Server.
./icontrol/session.py:503: DeprecationWarning: invalid escape sequence \*
  """Sends a HTTP GET command to the BIGIP REST Server.
./icontrol/session.py:531: DeprecationWarning: invalid escape sequence \*
  """Sends a HTTP PATCH command to the BIGIP REST Server.
./icontrol/session.py:561: DeprecationWarning: invalid escape sequence \*
  """Sends a HTTP POST command to the BIGIP REST Server.
./icontrol/test/unit/test_session.py:554: SyntaxWarning: "is" with a literal. Did you mean "=="?
  assert icrs.session.verify is '/path/to/cert'
./icontrol/test/unit/test_session.py:555: SyntaxWarning: "is" with a literal. Did you mean "=="?
  assert icrs.session.auth.verify is '/path/to/cert'

[f5-rahm]

archiving this repo, this request will not be implemented.