@@ -0,0 +1,323 @@
+import ROOT%0A%0A%0Adef read_workspace_from_file(file_name, ws_name = %22w%22):%0A    f = ROOT.TFile.Open(file_name)%0A    return f.Get(ws_name)%0A%0A%0Adef get_fit_quality(file_name, ws_name, fr_name):%0A    ws = read_workspace_from_file(file_name, ws_name)%0A    fit_result = ws.obj(fr_name)%0A    return fit_result.status(), fit_result.covQual()%0A

implement limit helpers