Apply suggestions from code review

pablogsal · vstinner · pablogsal · commit 851f12cecdeb · 2024-09-30T18:24:32.000+01:00
Co-authored-by: Victor Stinner &lt;vstinner@python.org&gt;
diff --git a/Lib/test/test_perf_profiler.py b/Lib/test/test_perf_profiler.py
@@ -24,14 +24,12 @@
 
 
 def is_jit_build():
-    cflags = sysconfig.get_config_var("PY_CORE_CFLAGS")
-    if not cflags:
-        return False
+    cflags = (sysconfig.get_config_var("PY_CORE_CFLAGS") or '')
     return "_Py_JIT" in cflags
 
 
 if is_jit_build():
-    raise unittest.SkipTest("Perf support is not available in jit builds")
+    raise unittest.SkipTest("Perf support is not available in JIT builds")
 
 
 def supports_trampoline_profiling():
