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-rw-r--r--misc/pylib/booleanOperations/exceptions.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/misc/pylib/booleanOperations/exceptions.py b/misc/pylib/booleanOperations/exceptions.py
index 23028b207..38b72e0b2 100644
--- a/misc/pylib/booleanOperations/exceptions.py
+++ b/misc/pylib/booleanOperations/exceptions.py
@@ -19,3 +19,7 @@ class InvalidClippingContourError(InvalidContourError):
class ExecutionError(BooleanOperationsError):
"""Raised when clipping execution fails"""
+
+
+class OpenContourError(BooleanOperationsError):
+ """Raised when any input contour is open"""