diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/config/__init__.py b/spiffworkflow-backend/src/spiffworkflow_backend/config/__init__.py
index 63ce21eec..13a327ef1 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/config/__init__.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/config/__init__.py
@@ -91,7 +91,10 @@ def setup_config(app: Flask) -> None:
     # This allows config/testing.py or instance/config.py to override the default config
     if "ENV_IDENTIFIER" in app.config and app.config["ENV_IDENTIFIER"] == "testing":
         app.config.from_pyfile("config/testing.py", silent=True)
-    elif "ENV_IDENTIFIER" in app.config and app.config["ENV_IDENTIFIER"] == "unit_testing":
+    elif (
+        "ENV_IDENTIFIER" in app.config
+        and app.config["ENV_IDENTIFIER"] == "unit_testing"
+    ):
         app.config.from_pyfile("config/unit_testing.py", silent=True)
     else:
         app.config.from_pyfile(f"{app.instance_path}/config.py", silent=True)
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/services/service_task_service.py b/spiffworkflow-backend/src/spiffworkflow_backend/services/service_task_service.py
index da3a65bba..982436112 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/services/service_task_service.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/services/service_task_service.py
@@ -45,7 +45,7 @@ class ServiceTaskDelegate:
 
     @staticmethod
     def get_message_for_status(code: int) -> str:
-        """Given a code like 404, return a string like 'The requested resource was not found.'"""
+        """Given a code like 404, return a string like: The requested resource was not found."""
         msg = f"HTTP Status Code {code}."
         if code == 301:
             msg = (
@@ -110,10 +110,10 @@ class ServiceTaskDelegate:
                 parsed_response = {}
 
             if proxied_response.status_code >= 300:
-                error = f"Received an unexpected response from the service : "
-                error += ServiceTaskDelegate.get_message_for_status(
+                message = ServiceTaskDelegate.get_message_for_status(
                     proxied_response.status_code
                 )
+                error = f"Received an unexpected response from the service : {message}"
                 if "error" in parsed_response:
                     error += parsed_response["error"]
                 if json_parse_error:
diff --git a/spiffworkflow-backend/tests/spiffworkflow_backend/unit/test_service_task_delegate.py b/spiffworkflow-backend/tests/spiffworkflow_backend/unit/test_service_task_delegate.py
index 188722fa9..8348d65cc 100644
--- a/spiffworkflow-backend/tests/spiffworkflow_backend/unit/test_service_task_delegate.py
+++ b/spiffworkflow-backend/tests/spiffworkflow_backend/unit/test_service_task_delegate.py
@@ -1,8 +1,10 @@
 """Test_various_bpmn_constructs."""
+from unittest.mock import patch
+
 import pytest
 from flask.app import Flask
-from unittest.mock import Mock, patch
 from tests.spiffworkflow_backend.helpers.base_test import BaseTest
+
 from spiffworkflow_backend.services.secret_service import SecretService
 from spiffworkflow_backend.services.service_task_service import ConnectorProxyError
 from spiffworkflow_backend.services.service_task_service import ServiceTaskDelegate
@@ -37,7 +39,7 @@ class TestServiceTaskDelegate(BaseTest):
     def test_invalid_call_returns_good_error_message(
         self, app: Flask, with_db_and_bpmn_file_cleanup: None
     ) -> None:
-        with patch('requests.post') as mock_post:
+        with patch("requests.post") as mock_post:
             mock_post.return_value.status_code = 404
             mock_post.return_value.ok = True
             mock_post.return_value.json.return_value = ""