Change to NotImplementedError for abstract function

ybillchen · jobovy · commit 62f2208dd36a · 2024-09-13T16:15:41.000-04:00
diff --git a/galpy/df/streamspraydf.py b/galpy/df/streamspraydf.py
@@ -371,8 +371,7 @@ def spray_df(self, xyzpt, vxyzpt, dt):
         vxst, vyst, vzst : array, shape (N,)
             Velocities of points on the stream in the progenitor coordinates.
         """
-        warnings.warn("Not implemented!", NotImplementedError, stacklevel=1)
-        pass
+        raise NotImplementedError
 
 
 class chen24spraydf(basestreamspraydf):
