⚡ dinglehopper: Clear Levenshtein cache between OCR-D files

qurator/dinglehopper/ocrd_cli.py

@@ -8,6 +8,7 @@ from ocrd_utils import concat_padded, getLogger
 from pkg_resources import resource_string
 
 from qurator.dinglehopper.cli import process as cli_process
+from qurator.dinglehopper.edit_distance import _levenshtein_matrix
 
 log = getLogger('processor.OcrdDinglehopperEvaluate')
 
@@ -62,6 +63,9 @@ class OcrdDinglehopperEvaluate(Processor):
                      mimetype=mimetype,
                      local_filename=report_prefix + report_suffix)
 
+            # Clear cache between files
+            _levenshtein_matrix.cache_clear()
+
 
 if __name__ == '__main__':
     ocrd_dinglehopper()