diff --git a/src/qibo/models/circuit.py b/src/qibo/models/circuit.py
index 3ac2c8046d..8bfb423abf 100644
--- a/src/qibo/models/circuit.py
+++ b/src/qibo/models/circuit.py
@@ -1377,4 +1377,4 @@ def draw(self, line_wrap: int = 70, legend: bool = False):
         Returns:
             String containing text circuit diagram.
         """
-        sys.stdout.write(self.diagram(line_wrap, legend) + "\n")
\ No newline at end of file
+        sys.stdout.write(self.diagram(line_wrap, legend) + "\n")