diff --git a/arithmetic_analysis/newton_raphson.py b/arithmetic_analysis/newton_raphson.py
index dd852abb4..d7ba801a5 100644
--- a/arithmetic_analysis/newton_raphson.py
+++ b/arithmetic_analysis/newton_raphson.py
@@ -21,7 +21,8 @@ def newton_raphson(
     >>> newton_raphson("log(x)- 1", 2)
     2.718281828458938
     >>> from scipy.optimize import newton
-    >>> all(newton_raphson("log(x)- 1", 2) == newton("log(x)- 1", 2) for precision in 10, 100, 1000, 10000))
+    >>> all(newton_raphson("log(x)- 1", 2) == newton("log(x)- 1", 2)
+    ...     for precision in 10, 100, 1000, 10000))
     True
     >>> newton_raphson("log(x)- 1", 2, 0)
     Traceback (most recent call last):