STY: fix indentation again

Author: ZA1815

pandas/core/window/rolling.py

@@ -2290,7 +2290,7 @@ def pipe(
         >>> g = lambda x, arg1: x * 5 / arg1
         >>> f = lambda x: x**4
         >>> df = pd.DataFrame({'A': [1, 2, 3, 4]},
-            index=pd.date_range('2012-08-02', periods=4))
+        ...    index=pd.date_range('2012-08-02', periods=4))
         >>> h(g(f(df.rolling("2D")), arg1=1), arg2=2, arg3=3)  # doctest: +SKIP
 
         You can write