@@ -532,14 +532,14 @@ def __call__(self, X, alpha=None, bytes=False):
 
     def __copy__(self):
         """Create new object with the same class and update attributes
-	If object is initialized, copy the elements of _lut list
-	"""
-	cls = self.__class__
-	newCMapObj = cls.__new__(cls)
-	newCMapObj.__dict__.update(self.__dict__)
-	if self._isinit:
-		newCMapObj._lut = np.copy(self._lut)
-	return newCMapObj
+        If object is initialized, copy the elements of _lut list
+        """
+        cls = self.__class__
+        newCMapObj = cls.__new__(cls)
+        newCMapObj.__dict__.update(self.__dict__)
+        if self._isinit:
+            newCMapObj._lut = np.copy(self._lut)
+        return newCMapObj
 
     def set_bad(self, color='k', alpha=None):
         """Set color to be used for masked values.