diff --git a/ttim/element.py b/ttim/element.py
index 4aeddd2..332eb0e 100644
--- a/ttim/element.py
+++ b/ttim/element.py
@@ -336,4 +336,4 @@ def run_after_solve(self):  # noqa: B027
 
     @abstractmethod
     def plot(self, ax=None):
-        """Plot the element."""
\ No newline at end of file
+        """Plot the element."""