diff --git a/.github/workflows/ci-python.yml b/.github/workflows/ci-python.yml
index b7bad9321ba..f7201d706e8 100644
--- a/.github/workflows/ci-python.yml
+++ b/.github/workflows/ci-python.yml
@@ -35,7 +35,7 @@ jobs:
         run: just sync-all
 
       - name: Format check
-        run: just format check
+        run: just format-check
 
       - name: Typecheck
         run: just typecheck
diff --git a/packages/@n8n/task-runner-python/src/health_check_server.py b/packages/@n8n/task-runner-python/src/health_check_server.py
index f1bbe6f7270..2f191ed3ebf 100644
--- a/packages/@n8n/task-runner-python/src/health_check_server.py
+++ b/packages/@n8n/task-runner-python/src/health_check_server.py
@@ -20,7 +20,8 @@ class HealthCheckServer:
             self.server = await asyncio.start_server(
                 self._handle_request, config.host, config.port
             )
-            actual_port = self.server.sockets[0].getsockname()[1] # for OS-assigned port in tests 
+            # for OS-assigned port in tests
+            actual_port = self.server.sockets[0].getsockname()[1]
             self.logger.info(
                 f"Health check server listening on {config.host}, port {actual_port}"
             )
diff --git a/packages/@n8n/task-runner-python/src/task_analyzer.py b/packages/@n8n/task-runner-python/src/task_analyzer.py
index f335dbe0501..f40a084d11c 100644
--- a/packages/@n8n/task-runner-python/src/task_analyzer.py
+++ b/packages/@n8n/task-runner-python/src/task_analyzer.py
@@ -87,22 +87,32 @@ class SecurityValidator(ast.NodeVisitor):
         self.generic_visit(node)
 
     def visit_Subscript(self, node: ast.Subscript) -> None:
-        """Detect dict access to blocked attributes, e.g. __builtins__['__spec__']"""  
-        
+        """Detect dict access to blocked attributes, e.g. __builtins__['__spec__']"""
+
         is_builtins_access = (
             # __builtins__['__spec__']
-            (isinstance(node.value, ast.Name) and node.value.id in {"__builtins__", "builtins"})
+            (
+                isinstance(node.value, ast.Name)
+                and node.value.id in {"__builtins__", "builtins"}
+            )
             # obj.__builtins__['__spec__']
-            or (isinstance(node.value, ast.Attribute) and node.value.attr in {"__builtins__", "builtins"})
+            or (
+                isinstance(node.value, ast.Attribute)
+                and node.value.attr in {"__builtins__", "builtins"}
+            )
         )
-        
-        if is_builtins_access and isinstance(node.slice, ast.Constant) and isinstance(node.slice.value, str):
+
+        if (
+            is_builtins_access
+            and isinstance(node.slice, ast.Constant)
+            and isinstance(node.slice.value, str)
+        ):
             key = node.slice.value
             if key in BLOCKED_ATTRIBUTES:
                 self._add_violation(
                     node.lineno, ERROR_DANGEROUS_ATTRIBUTE.format(attr=key)
                 )
-        
+
         self.generic_visit(node)
 
     # ========== Validation ==========
diff --git a/packages/@n8n/task-runner-python/tests/integration/test_execution.py b/packages/@n8n/task-runner-python/tests/integration/test_execution.py
index f88c7a0e547..c9393c8f8bc 100644
--- a/packages/@n8n/task-runner-python/tests/integration/test_execution.py
+++ b/packages/@n8n/task-runner-python/tests/integration/test_execution.py
@@ -114,7 +114,7 @@ async def test_per_item_with_explicit_json_and_binary(broker, manager):
         {
             "json": {"custom": "data"},
             "binary": {"file": "data"},
-            "pairedItem": {"item": 0}
+            "pairedItem": {"item": 0},
         }
     ]
 
@@ -130,11 +130,7 @@ async def test_per_item_with_binary_only(broker, manager):
     result = await wait_for_task_done(broker, task_id)
 
     assert result["data"]["result"] == [
-        {
-            "json": {},
-            "binary": {"file": "data"},
-            "pairedItem": {"item": 0}
-        }
+        {"json": {}, "binary": {"file": "data"}, "pairedItem": {"item": 0}}
     ]
 
 
@@ -305,7 +301,9 @@ async def test_cannot_bypass_import_restrictions_via_builtins_dict(broker, manag
 
 
 @pytest.mark.asyncio
-async def test_cannot_bypass_import_restrictions_via_builtins_spec_loader(broker, manager):
+async def test_cannot_bypass_import_restrictions_via_builtins_spec_loader(
+    broker, manager
+):
     task_id = nanoid()
     code = textwrap.dedent("""
         sys = __builtins__['__spec__'].loader.load_module('sys')
@@ -320,8 +318,11 @@ async def test_cannot_bypass_import_restrictions_via_builtins_spec_loader(broker
     assert error_msg["taskId"] == task_id
     assert "error" in error_msg
 
+
 @pytest.mark.asyncio
-async def test_cannot_bypass_import_restrictions_via_sys_builtins_spec_leader(broker, manager_with_stdlib_wildcard):
+async def test_cannot_bypass_import_restrictions_via_sys_builtins_spec_leader(
+    broker, manager_with_stdlib_wildcard
+):
     task_id = nanoid()
     code = textwrap.dedent("""
         import sys
@@ -331,6 +332,6 @@ async def test_cannot_bypass_import_restrictions_via_sys_builtins_spec_leader(br
     task_settings = create_task_settings(code=code, node_mode="all_items")
     await broker.send_task(task_id=task_id, task_settings=task_settings)
     error_msg = await wait_for_task_error(broker, task_id)
-    
+
     assert error_msg["taskId"] == task_id
     assert "error" in error_msg