Provided a default implementation for Dataset.trace_indexes

segpy/dataset.py

@@ -40,15 +40,14 @@ def dimensionality(self):
         """
         raise NotImplementedError
 
-    @abstractmethod
     def trace_indexes(self):
         """An iterator over zero-based trace_samples indexes.
 
         Returns:
             An iterator which yields integers in the range zero to
             num_traces - 1
         """
-        raise NotImplementedError
+        return range(0, self.num_traces())
 
     @abstractmethod
     def num_traces(self):