Merge remote-tracking branch 'origin/dev' into two_edges

src/backend/base/langflow/__main__.py

@@ -167,7 +167,7 @@ def run(
         else:
             # Run using gunicorn on Linux
             process = run_on_mac_or_linux(host, port, log_level, options, app)
-        if open_browser:
+        if open_browser and not backend_only:
             click.launch(f"http://{host}:{port}")
         if process:
             process.join()

src/backend/base/langflow/graph/graph/base.py

@@ -897,7 +897,7 @@ class Graph:
                 next_runnable_vertices = await self._execute_tasks(tasks, lock=lock)
             except Exception as e:
                 logger.error(f"Error executing tasks in layer {layer_index}: {e}")
-                break
+                raise e
             if not next_runnable_vertices:
                 break
             to_process.extend(next_runnable_vertices)

src/backend/base/langflow/initial_setup/setup.py

@@ -510,9 +510,9 @@ def load_flows_from_directory():
                 if existing:
                     logger.info(f"Updating existing flow: {flow_id} with endpoint name {flow_endpoint_name}")
                     for key, value in flow.items():
-                        if key == "last_tested_version":
-                            continue
-                        setattr(existing, key, value)
+                        if hasattr(existing, key):
+                            # flow dict from json and db representation are not 100% the same
+                            setattr(existing, key, value)
                     existing.updated_at = datetime.utcnow()
                     existing.user_id = user_id
                     session.add(existing)