Fixed whitespace issue

Author: pbreach

pandas/core/generic.py

@@ -5255,8 +5255,8 @@ def abs(self):
 
     @Appender(_shared_docs['describe'] % _shared_doc_kwargs)
     def describe(self, percentiles=None, include=None, exclude=None):
-	    # explicit conversion of `percentiles` to list
-	    percentiles = list(percentiles)
+        # explicit conversion of `percentiles` to list
+        percentiles = list(percentiles)
 
         if self.ndim >= 3:
             msg = "describe is not implemented on Panel or PanelND objects."