diff --git a/api/migrations/versions/47cc7df8c4f3_modify_default_model_name_length.py b/api/migrations/versions/47cc7df8c4f3_modify_default_model_name_length.py
deleted file mode 100644
index b37928d3c0..0000000000
--- a/api/migrations/versions/47cc7df8c4f3_modify_default_model_name_length.py
+++ /dev/null
@@ -1,39 +0,0 @@
-"""modify default model name length
-
-Revision ID: 47cc7df8c4f3
-Revises: 3c7cac9521c6
-Create Date: 2024-05-10 09:48:09.046298
-
-"""
-import sqlalchemy as sa
-from alembic import op
-
-import models as models
-
-# revision identifiers, used by Alembic.
-revision = '47cc7df8c4f3'
-down_revision = '3c7cac9521c6'
-branch_labels = None
-depends_on = None
-
-
-def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    with op.batch_alter_table('tenant_default_models', schema=None) as batch_op:
-        batch_op.alter_column('model_name',
-                              existing_type=sa.VARCHAR(length=40),
-                              type_=sa.String(length=255),
-                              existing_nullable=False)
-
-    # ### end Alembic commands ###
-
-
-def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    with op.batch_alter_table('tenant_default_models', schema=None) as batch_op:
-        batch_op.alter_column('model_name',
-                              existing_type=sa.String(length=255),
-                              type_=sa.VARCHAR(length=40),
-                              existing_nullable=False)
-
-    # ### end Alembic commands ###
diff --git a/api/tests/unit_tests/core/workflow/graph_engine/test_graph_engine.py b/api/tests/unit_tests/core/workflow/graph_engine/test_graph_engine.py
index e8d8efb97c..714ef1160e 100644
--- a/api/tests/unit_tests/core/workflow/graph_engine/test_graph_engine.py
+++ b/api/tests/unit_tests/core/workflow/graph_engine/test_graph_engine.py
@@ -398,7 +398,13 @@ def test_run_branch(mock_close, mock_remove):
                 "id": "start",
             },
             {
-                "data": {"answer": "1 {{#start.uid#}}", "title": "Answer", "type": "answer", "variables": [], "outputs": []},
+                "data": {
+                    "answer": "1 {{#start.uid#}}",
+                    "title": "Answer",
+                    "type": "answer",
+                    "variables": [],
+                    "outputs": [],
+                },
                 "id": "answer-1",
             },
             {
diff --git a/api/tests/unit_tests/core/workflow/nodes/iteration/test_iteration.py b/api/tests/unit_tests/core/workflow/nodes/iteration/test_iteration.py
index 7db224ba3f..00a38d9802 100644
--- a/api/tests/unit_tests/core/workflow/nodes/iteration/test_iteration.py
+++ b/api/tests/unit_tests/core/workflow/nodes/iteration/test_iteration.py
@@ -89,7 +89,12 @@ def test_run():
                 "id": "tt",
             },
             {
-                "data": {"answer": "{{#iteration-1.output#}}88888", "title": "answer 3", "type": "answer", "outputs": []},
+                "data": {
+                    "answer": "{{#iteration-1.output#}}88888",
+                    "title": "answer 3",
+                    "type": "answer",
+                    "outputs": [],
+                },
                 "id": "answer-3",
             },
             {
@@ -110,7 +115,13 @@ def test_run():
                 "id": "if-else",
             },
             {
-                "data": {"answer": "no hi", "iteration_id": "iteration-1", "title": "answer 4", "type": "answer", "outputs": []},
+                "data": {
+                    "answer": "no hi",
+                    "iteration_id": "iteration-1",
+                    "title": "answer 4",
+                    "type": "answer",
+                    "outputs": [],
+                },
                 "id": "answer-4",
             },
             {
@@ -307,7 +318,12 @@ def test_run_parallel():
                 "id": "tt-2",
             },
             {
-                "data": {"answer": "{{#iteration-1.output#}}88888", "title": "answer 3", "type": "answer", "outputs": []},
+                "data": {
+                    "answer": "{{#iteration-1.output#}}88888",
+                    "title": "answer 3",
+                    "type": "answer",
+                    "outputs": [],
+                },
                 "id": "answer-3",
             },
             {
@@ -328,7 +344,13 @@ def test_run_parallel():
                 "id": "if-else",
             },
             {
-                "data": {"answer": "no hi", "iteration_id": "iteration-1", "title": "answer 4", "type": "answer", "outputs": []},
+                "data": {
+                    "answer": "no hi",
+                    "iteration_id": "iteration-1",
+                    "title": "answer 4",
+                    "type": "answer",
+                    "outputs": [],
+                },
                 "id": "answer-4",
             },
             {
@@ -524,7 +546,12 @@ def test_iteration_run_in_parallel_mode():
                 "id": "tt-2",
             },
             {
-                "data": {"answer": "{{#iteration-1.output#}}88888", "title": "answer 3", "type": "answer", "outputs": []},
+                "data": {
+                    "answer": "{{#iteration-1.output#}}88888",
+                    "title": "answer 3",
+                    "type": "answer",
+                    "outputs": [],
+                },
                 "id": "answer-3",
             },
             {
@@ -545,7 +572,13 @@ def test_iteration_run_in_parallel_mode():
                 "id": "if-else",
             },
             {
-                "data": {"answer": "no hi", "iteration_id": "iteration-1", "title": "answer 4", "type": "answer", "outputs": []},
+                "data": {
+                    "answer": "no hi",
+                    "iteration_id": "iteration-1",
+                    "title": "answer 4",
+                    "type": "answer",
+                    "outputs": [],
+                },
                 "id": "answer-4",
             },
             {
@@ -744,7 +777,12 @@ def test_iteration_run_error_handle():
                 "id": "tt2",
             },
             {
-                "data": {"answer": "{{#iteration-1.output#}}88888", "title": "answer 3", "type": "answer", "outputs": []},
+                "data": {
+                    "answer": "{{#iteration-1.output#}}88888",
+                    "title": "answer 3",
+                    "type": "answer",
+                    "outputs": [],
+                },
                 "id": "answer-3",
             },
             {
diff --git a/api/tests/unit_tests/core/workflow/nodes/test_continue_on_error.py b/api/tests/unit_tests/core/workflow/nodes/test_continue_on_error.py
index 7802e88028..efe4be204b 100644
--- a/api/tests/unit_tests/core/workflow/nodes/test_continue_on_error.py
+++ b/api/tests/unit_tests/core/workflow/nodes/test_continue_on_error.py
@@ -239,7 +239,10 @@ def test_code_default_value_continue_on_error():
         "edges": DEFAULT_VALUE_EDGE,
         "nodes": [
             {"data": {"title": "start", "type": "start", "variables": []}, "id": "start"},
-            {"data": {"title": "answer", "type": "answer", "answer": "{{#node.result#}}", "outputs": []}, "id": "answer"},
+            {
+                "data": {"title": "answer", "type": "answer", "answer": "{{#node.result#}}", "outputs": []},
+                "id": "answer",
+            },
             ContinueOnErrorTestHelper.get_code_node(
                 error_code, "default-value", [{"key": "result", "type": "number", "value": 132123}]
             ),
@@ -292,7 +295,10 @@ def test_http_node_default_value_continue_on_error():
         "edges": DEFAULT_VALUE_EDGE,
         "nodes": [
             {"data": {"title": "start", "type": "start", "variables": []}, "id": "start"},
-            {"data": {"title": "answer", "type": "answer", "answer": "{{#node.response#}}", "outputs": []}, "id": "answer"},
+            {
+                "data": {"title": "answer", "type": "answer", "answer": "{{#node.response#}}", "outputs": []},
+                "id": "answer",
+            },
             ContinueOnErrorTestHelper.get_http_node(
                 "default-value", [{"key": "response", "type": "string", "value": "http node got error response"}]
             ),
@@ -395,7 +401,10 @@ def test_llm_node_default_value_continue_on_error():
         "edges": DEFAULT_VALUE_EDGE,
         "nodes": [
             {"data": {"title": "start", "type": "start", "variables": []}, "id": "start"},
-            {"data": {"title": "answer", "type": "answer", "answer": "{{#node.answer#}}", "outputs": []}, "id": "answer"},
+            {
+                "data": {"title": "answer", "type": "answer", "answer": "{{#node.answer#}}", "outputs": []},
+                "id": "answer",
+            },
             ContinueOnErrorTestHelper.get_llm_node(
                 "default-value", [{"key": "answer", "type": "string", "value": "default LLM response"}]
             ),
@@ -499,7 +508,10 @@ def test_no_node_in_fail_branch_continue_on_error():
         "edges": FAIL_BRANCH_EDGES[:-1],
         "nodes": [
             {"data": {"title": "Start", "type": "start", "variables": []}, "id": "start"},
-            {"data": {"title": "success", "type": "answer", "answer": "HTTP request successful", "outputs": []}, "id": "success"},
+            {
+                "data": {"title": "success", "type": "answer", "answer": "HTTP request successful", "outputs": []},
+                "id": "success",
+            },
             ContinueOnErrorTestHelper.get_http_node(),
         ],
     }
diff --git a/api/tests/unit_tests/core/workflow/nodes/test_retry.py b/api/tests/unit_tests/core/workflow/nodes/test_retry.py
index 40ac03188d..d807fd5828 100644
--- a/api/tests/unit_tests/core/workflow/nodes/test_retry.py
+++ b/api/tests/unit_tests/core/workflow/nodes/test_retry.py
@@ -27,7 +27,10 @@ def test_retry_default_value_partial_success():
         "edges": DEFAULT_VALUE_EDGE,
         "nodes": [
             {"data": {"title": "start", "type": "start", "variables": []}, "id": "start"},
-            {"data": {"title": "answer", "type": "answer", "answer": "{{#node.result#}}", "outputs": []}, "id": "answer"},
+            {
+                "data": {"title": "answer", "type": "answer", "answer": "{{#node.result#}}", "outputs": []},
+                "id": "answer",
+            },
             ContinueOnErrorTestHelper.get_http_node(
                 "default-value",
                 [{"key": "result", "type": "string", "value": "http node got error response"}],
@@ -50,7 +53,10 @@ def test_retry_failed():
         "edges": DEFAULT_VALUE_EDGE,
         "nodes": [
             {"data": {"title": "start", "type": "start", "variables": []}, "id": "start"},
-            {"data": {"title": "answer", "type": "answer", "answer": "{{#node.result#}}", "outputs": []}, "id": "answer"},
+            {
+                "data": {"title": "answer", "type": "answer", "answer": "{{#node.result#}}", "outputs": []},
+                "id": "answer",
+            },
             ContinueOnErrorTestHelper.get_http_node(
                 None,
                 None,