Logic bugfix

sandialabs · Sep 12, 2024 · f93fd3c · f93fd3c
1 parent e670aeb
commit f93fd3c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pygsti/optimize/customlm.py b/pygsti/optimize/customlm.py
@@ -28,7 +28,7 @@
 #Make sure SIGINT will generate a KeyboardInterrupt (even if we're launched in the background)
 #This may be problematic for multithreaded parallelism above pyGSTi, e.g. Dask,
 #so this can be turned off by setting the PYGSTI_NO_CUSTOMLM_SIGINT environment variable
-if 'PYGSTI_NO_CUSTOMLM_SIGINT' in _os.environ:
+if 'PYGSTI_NO_CUSTOMLM_SIGINT' not in _os.environ:
     _signal.signal(_signal.SIGINT, _signal.default_int_handler)
 
 #constants