fix task

Author: CamDavidsonPilon

pioreactorui/api.py

@@ -1280,7 +1280,7 @@ def export_datasets() -> ResponseReturnValue:
         status, msg = result(blocking=True, timeout=5 * 60)
     except (HueyException, TaskException):
         status = False
-        return {"result": status, "filename": None, "msg": "Timed out"}, 500
+        return {"result": status, "filename": None, "msg": "Task error, or time out"}, 500
 
     if not status:
         publish_to_error_log(msg, "export_datasets")

pioreactorui/tasks.py

@@ -204,10 +204,12 @@ def pio_plugins_list(*args: str, env: dict[str, str] = {}) -> tuple[bool, str]:
 
 @huey.task()
 @huey.lock_task("export-data-lock")
-def pio_run_export_experiment_data(*args: str, env: dict[str, str] = {}) -> tuple[bool, bytes]:
+def pio_run_export_experiment_data(*args: str, env: dict[str, str] = {}) -> tuple[bool, str]:
     logger.info(f'Executing `{join(("pio", "run", "export_experiment_data") + args)}`, {env=}')
     result = run(
         (PIO_EXECUTABLE, "run", "export_experiment_data") + args,
+        capture_output=True,
+        text=True,
         env=dict(os.environ) | env,
     )
     return result.returncode == 0, result.stdout.strip()