removed white spaces

Author: AdarshDec

lib/matplotlib/axes/_axes.py

@@ -3302,10 +3302,10 @@ def pie(self, x, explode=None, labels=None, colors=None,
 
         if np.any(x < 0):
             raise ValueError("Wedge sizes 'x' must be non negative values")
-        
+
         if not np.all(np.isfinite(x)):
             raise ValueError('Wedge sizes must be finite numbers')
-        
+
         sx = x.sum()
 
         if normalize: