removed unexpected indentation

Author: arthurlw

pandas/core/groupby/groupby.py

@@ -3903,7 +3903,7 @@ def ewm(
 
         adjust : bool, default True
             Divide by decaying adjustment factor to account for imbalance in
-                relative weights.
+            relative weights.
 
         ignore_na : bool, default False
             Ignore missing values when calculating weights.