Whitespace fixes

Author: bsipocz

astroquery/esa/xmm_newton/core.py

@@ -447,6 +447,7 @@ def get_epic_metadata(self, *, target_name=None,
             The coordinates of the target in a SkyCoord object
         radius : float, optional, default None
             The radius to query the target in degrees
+
         Returns
         -------
         epic_source,  cat_4xmm, stack_4xmm, slew_source : `~astropy.table.Table` objects
@@ -507,5 +508,4 @@ def get_epic_metadata(self, *, target_name=None,
         return epic_source_table, cat_4xmm_table, stack_4xmm_table, slew_source_table
 
 
-
 XMMNewton = XMMNewtonClass()