[jira] [Created] (CASSANDRA-15736) Fix Python SyntaxWarning: "is not" with a literal. Did you mean "!="

["Eduard Tudenhoefner (Jira)" <ji...@apache.org>]

Eduard Tudenhoefner created CASSANDRA-15736:
-----------------------------------------------

             Summary: Fix Python SyntaxWarning: "is not" with a literal. Did you mean "!="
                 Key: CASSANDRA-15736
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15736
             Project: Cassandra
          Issue Type: Task
          Components: Test/dtest
            Reporter: Eduard Tudenhoefner
            Assignee: Eduard Tudenhoefner


With the upgrade to Python 3.8 there are SyntaxWarnings now showing up in the tests, which should be fixed.

{code}
/home/cassandra/cassandra/cassandra-dtest/conftest.py:207: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if len(errors) is not 0:
/home/cassandra/cassandra/cassandra-dtest/conftest.py:240: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if len(logs) is not 0:
/home/cassandra/cassandra/venv/src/ccm/ccmlib/repository.py:393: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  while attempt < 3 and ret_val is not 0:
/home/cassandra/cassandra/venv/src/ccm/ccmlib/repository.py:399: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if ret_val is not 0:
/home/cassandra/cassandra/venv/src/ccm/ccmlib/repository.py:422: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if ret_val is not 0:
/home/cassandra/cassandra/venv/src/ccm/ccmlib/repository.py:425: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if ret_val is not 0:
/home/cassandra/cassandra/cassandra-dtest/dtest_setup.py:124: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if len(filtered_errors) is not 0:
/home/cassandra/cassandra/cassandra-dtest/dtest_setup.py:152: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if len(logs) is not 0:
/home/cassandra/cassandra/cassandra-dtest/dtest_setup.py:286: SyntaxWarning: "is not" with a literal. Did you mean "!="?
  if len(errors) is not 0:
{code}



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