diff --git a/backend/metagenedb/apps/catalog/serializers/__init__.py b/backend/metagenedb/apps/catalog/serializers/__init__.py
index 295db503e158c095baa14656ef5651313fdbdb12..5575274c9db546d89c943926cbb42dcf119b4be0 100644
--- a/backend/metagenedb/apps/catalog/serializers/__init__.py
+++ b/backend/metagenedb/apps/catalog/serializers/__init__.py
@@ -3,4 +3,4 @@ from .gene import GeneSerializer
 from .taxonomy import TaxonomySerializer
 
 
-__all__ = ['FunctionSerializer', 'GeneSerializer', 'TaxonomySerializer']
\ No newline at end of file
+__all__ = ['FunctionSerializer', 'GeneSerializer', 'TaxonomySerializer']
diff --git a/backend/metagenedb/apps/catalog/serializers/function.py b/backend/metagenedb/apps/catalog/serializers/function.py
index 87b053bbc0621a8368d5657797ab22b708255cf2..fb565c422d80913aa658b84b0e2c63a7e95e2c1a 100644
--- a/backend/metagenedb/apps/catalog/serializers/function.py
+++ b/backend/metagenedb/apps/catalog/serializers/function.py
@@ -5,4 +5,4 @@ from metagenedb.apps.catalog.models import Function
 class FunctionSerializer(serializers.ModelSerializer):
     class Meta:
         model = Function
-        fields = ('function_id', 'source', 'name')
\ No newline at end of file
+        fields = ('function_id', 'source', 'name')
diff --git a/backend/metagenedb/apps/catalog/serializers/gene.py b/backend/metagenedb/apps/catalog/serializers/gene.py
index a522084f049265f6cc757e73e8b89ab330a3adb0..69c8fa2b7f22346149de9fd13884cfc9dbb70053 100644
--- a/backend/metagenedb/apps/catalog/serializers/gene.py
+++ b/backend/metagenedb/apps/catalog/serializers/gene.py
@@ -8,4 +8,4 @@ class GeneSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Gene
-        fields = ('gene_id', 'gene_length', 'functions')
\ No newline at end of file
+        fields = ('gene_id', 'gene_length', 'functions')
diff --git a/backend/metagenedb/apps/catalog/serializers/taxonomy.py b/backend/metagenedb/apps/catalog/serializers/taxonomy.py
index 8da45ff7981c5522fcd140bb1eddbc32f4de74dd..6c6b4e22d38fb218d17edd250851c5640c3689ee 100644
--- a/backend/metagenedb/apps/catalog/serializers/taxonomy.py
+++ b/backend/metagenedb/apps/catalog/serializers/taxonomy.py
@@ -9,7 +9,7 @@ class TaxonomySerializer(serializers.ModelSerializer):
         source='parent',
         required=False
      )
-    
+
     class Meta:
         model = Taxonomy
         fields = ('tax_id', 'name', 'rank', 'parent_tax_id')