Fix import

Author: BrianMichell

src/mdio/builder/templates/seismic_prestack.py

@@ -4,7 +4,7 @@
 
 from mdio.builder.schemas.dtype import ScalarType
 from mdio.builder.schemas.v1.variable import CoordinateMetadata
-from mdio.builder.templates.abstract_dataset_template import AbstractDatasetTemplate
+from mdio.builder.templates.base import AbstractDatasetTemplate
 from mdio.builder.templates.types import SeismicDataDomain