code: def set_widgets(self):
          
          self.progress_bar.setValue(0)
          self.results_webview.setHtml('')
          self.pbnReportWeb.hide()
          self.pbnReportPDF.hide()
          self.pbnReportComposer.hide()
          self.lblAnalysisStatus.setText(tr('Running analysis...'))
docs: Set widgets on the Progress tab.