diff --git a/flamapy/core/operations/__init__.py b/flamapy/core/operations/__init__.py
index d283656..a5453f8 100644
--- a/flamapy/core/operations/__init__.py
+++ b/flamapy/core/operations/__init__.py
@@ -25,4 +25,4 @@
            "ErrorDetection", "ErrorDiagnosis", "Operation", "Variability", "CountLeafs", 
            "AverageBranchingFactor", "Filter", "Sampling", 
            "EstimatedConfigurationsNumber", "AtomicSets", 'Metrics', 
-           "Satisfiable", "SatisfiableConfiguration", "Configurations", "ConfigurationsNumber"]
+           "Satisfiable", "SatisfiableConfiguration", "Configurations", "ConfigurationsNumber"]
\ No newline at end of file