[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

maths/laplace_transformation.py

@@ -51,7 +51,9 @@ def laplace_transform(
     if function_values.size == 0:
         raise ValueError("function_values array cannot be empty.")
     if s_value < 0:
-        error_msg = f"s_value must be non-negative for this implementation, got {s_value}."
+        error_msg = (
+            f"s_value must be non-negative for this implementation, got {s_value}."
+        )
         raise ValueError(error_msg)
 
     # Time vector corresponding to the function values