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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2019-10-10 13:21:54 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2019-10-15 09:47:16 +0100 |
| commit | 403e11edbfad5da2e6d5842adc9222f60e76ee43 (patch) | |
| tree | 751144dd83b609ece03796307c166f79457544a9 /scripts/tracetool | |
| parent | bd200384c515bdc84d52f1735c0fea43c8f61e11 (diff) | |
trace: avoid "is" with a literal Python 3.8 warnings
The following statement produces a SyntaxWarning with Python 3.8:
if len(format) is 0:
scripts/tracetool/__init__.py:459: SyntaxWarning: "is" with a literal. Did you mean "=="?
Use the conventional len(x) == 0 syntax instead.
Reported-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191010122154.10553-1-stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'scripts/tracetool')
| -rw-r--r-- | scripts/tracetool/__init__.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py index 04279fa62e..44c118bc2a 100644 --- a/scripts/tracetool/__init__.py +++ b/scripts/tracetool/__init__.py @@ -456,12 +456,12 @@ def generate(events, group, format, backends, import tracetool format = str(format) - if len(format) is 0: + if len(format) == 0: raise TracetoolError("format not set") if not tracetool.format.exists(format): raise TracetoolError("unknown format: %s" % format) - if len(backends) is 0: + if len(backends) == 0: raise TracetoolError("no backends specified") for backend in backends: if not tracetool.backend.exists(backend): |