diff --git a/graphgen/models/evaluator/base_evaluator.py b/graphgen/bases/base_evaluator.py
similarity index 100%
rename from graphgen/models/evaluator/base_evaluator.py
rename to graphgen/bases/base_evaluator.py
diff --git a/graphgen/models/evaluator/length_evaluator.py b/graphgen/models/evaluator/length_evaluator.py
index d5c33211..74716f70 100644
--- a/graphgen/models/evaluator/length_evaluator.py
+++ b/graphgen/models/evaluator/length_evaluator.py
@@ -1,5 +1,5 @@
+from graphgen.bases.base_evaluator import BaseEvaluator
 from graphgen.bases.datatypes import QAPair
-from graphgen.models.evaluator.base_evaluator import BaseEvaluator
 from graphgen.models.tokenizer import Tokenizer
 from graphgen.utils import create_event_loop
 
diff --git a/graphgen/models/evaluator/mtld_evaluator.py b/graphgen/models/evaluator/mtld_evaluator.py
index c106d86c..8503ea4e 100644
--- a/graphgen/models/evaluator/mtld_evaluator.py
+++ b/graphgen/models/evaluator/mtld_evaluator.py
@@ -1,7 +1,7 @@
 from typing import Set
 
+from graphgen.bases.base_evaluator import BaseEvaluator
 from graphgen.bases.datatypes import QAPair
-from graphgen.models.evaluator.base_evaluator import BaseEvaluator
 from graphgen.utils import NLTKHelper, create_event_loop, detect_main_language
 
 nltk_helper = NLTKHelper()