diff --git a/moto/glue/responses.py b/moto/glue/responses.py
index 4fb144bb..66185e09 100644
--- a/moto/glue/responses.py
+++ b/moto/glue/responses.py
@@ -32,7 +32,9 @@ class GlueResponse(BaseResponse):
 
     def get_databases(self):
         database_list = self.glue_backend.get_databases()
-        return json.dumps({"DatabaseList": [{"Name": database.name} for database in database_list]})
+        return json.dumps(
+            {"DatabaseList": [{"Name": database.name} for database in database_list]}
+        )
 
     def create_table(self):
         database_name = self.parameters.get("DatabaseName")
diff --git a/tests/test_glue/test_datacatalog.py b/tests/test_glue/test_datacatalog.py
index 54fb1745..bc68b48f 100644
--- a/tests/test_glue/test_datacatalog.py
+++ b/tests/test_glue/test_datacatalog.py
@@ -67,7 +67,9 @@ def test_get_databases_several_items():
     helpers.create_database(client, database_name_1)
     helpers.create_database(client, database_name_2)
 
-    database_list = sorted(client.get_databases()["DatabaseList"], key=lambda x: x["Name"])
+    database_list = sorted(
+        client.get_databases()["DatabaseList"], key=lambda x: x["Name"]
+    )
     database_list.should.have.length_of(2)
     database_list[0].should.equal({"Name": database_name_1})
     database_list[1].should.equal({"Name": database_name_2})