diff --git a/api/clients/agent_backend/request_builder.py b/api/clients/agent_backend/request_builder.py
index 20c52053bd9..63002e9b433 100644
--- a/api/clients/agent_backend/request_builder.py
+++ b/api/clients/agent_backend/request_builder.py
@@ -129,7 +129,10 @@ def _wrap_build_draft_agent_soul_prompt(prompt: str | None) -> str:
     if not prompt_body:
         return _BUILD_DRAFT_AGENT_SOUL_PROMPT + "\n\nIntended task for later normal runs:\nNo task prompt was provided."
     fence = _markdown_backtick_fence(prompt_body)
-    return _BUILD_DRAFT_AGENT_SOUL_PROMPT + f"\n\nIntended task for later normal runs:\n{fence}text\n{prompt_body}\n{fence}"
+    return (
+        _BUILD_DRAFT_AGENT_SOUL_PROMPT
+        + f"\n\nIntended task for later normal runs:\n{fence}text\n{prompt_body}\n{fence}"
+    )
 
 
 def _agent_soul_prompt_for_layer(
diff --git a/dify-agent/tests/local/dify_agent/agent_stub/cli/test_drive.py b/dify-agent/tests/local/dify_agent/agent_stub/cli/test_drive.py
index 9770511b5bf..5dbf0bafe5a 100644
--- a/dify-agent/tests/local/dify_agent/agent_stub/cli/test_drive.py
+++ b/dify-agent/tests/local/dify_agent/agent_stub/cli/test_drive.py
@@ -646,14 +646,14 @@ def test_push_drive_from_environment_kind_skill_standardizes_skill_directory(
     uploaded_paths: list[str] = []
 
     def fake_upload(*, path: str) -> UploadedToolFileResource:
-            uploaded_paths.append(Path(path).name)
-            return UploadedToolFileResource(
-                mapping=AgentStubFileMapping(
-                    transfer_method="tool_file",
-                    reference=_reference(Path(path).name),
-                ),
-                tool_file_id=Path(path).name,
-            )
+        uploaded_paths.append(Path(path).name)
+        return UploadedToolFileResource(
+            mapping=AgentStubFileMapping(
+                transfer_method="tool_file",
+                reference=_reference(Path(path).name),
+            ),
+            tool_file_id=Path(path).name,
+        )
 
     monkeypatch.setattr("dify_agent.agent_stub.cli._drive.upload_tool_file_resource_from_environment", fake_upload)
     monkeypatch.setattr(
diff --git a/dify-agent/tests/local/dify_agent/agent_stub/cli/test_files.py b/dify-agent/tests/local/dify_agent/agent_stub/cli/test_files.py
index 5ae214cfd20..6a65daccb9a 100644
--- a/dify-agent/tests/local/dify_agent/agent_stub/cli/test_files.py
+++ b/dify-agent/tests/local/dify_agent/agent_stub/cli/test_files.py
@@ -236,7 +236,9 @@ def test_upload_file_from_environment_rejects_missing_download_url(
     )
     monkeypatch.setattr(
         "dify_agent.agent_stub.cli._files.request_agent_stub_file_download_sync",
-        lambda **_kwargs: type("Response", (), {"filename": "report.pdf", "mime_type": "application/pdf", "size": 12})(),
+        lambda **_kwargs: type(
+            "Response", (), {"filename": "report.pdf", "mime_type": "application/pdf", "size": 12}
+        )(),
     )
 
     with pytest.raises(AgentStubTransferError, match="missing download_url"):