fix

ISISNeutronMuon · Apr 2, 2024 · 45f646d · 45f646d
1 parent 76a2b32
commit 45f646d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/MDANSE/Src/MDANSE/MolecularDynamics/Trajectory.py b/MDANSE/Src/MDANSE/MolecularDynamics/Trajectory.py
@@ -366,7 +366,7 @@ def read_configuration_trajectory(
         if last is None:
             last = len(self)
 
-        if self.has_variable(variable):
+        if not self.has_variable(variable):
             raise TrajectoryError(
                 "The variable {} is not stored in the trajectory".format(variable)
             )