Add default threshold as constant

nerval/evaluate.py

@@ -11,6 +11,8 @@ import termtables as tt
 
 NOT_ENTITY_TAG = "O"
 
+THRESHOLD = 0.30
+
 
 def get_type_label(label: str) -> str:
     """Return the type (tag) of a label
@@ -533,7 +535,7 @@ def main():
         "--threshold",
         help="Set a distance threshold for the match between gold and predicted entity.",
         required=False,
-        default=0.3,
+        default=THRESHOLD,
         type=threshold_float_type,
     )
     args = parser.parse_args()