[XASObjectViewer] add baseline plot optional regarding the silx version

xas/core/process/larch/autobk.py

@@ -72,6 +72,9 @@ def process_spectr_autobk(spectrum, configuration, overwrite=True,
         if opt_name in _conf:
             opts[opt_name] = _conf[opt_name]
 
+    # print(opts)
+    # print(opts)
+
     if _DEBUG is True:
         assert isinstance(spectrum, Group)
     if overwrite:

xas/gui/XasObjectViewer.py

@@ -341,16 +341,20 @@ class SpectrumViewer(qt.QMainWindow):
             for res in curves:
                 if res is not None and res.x is not None:
                     if isinstance(res, _CurveOperation):
-                        curve = self._plot.addCurve(x=res.x,
-                                            y=res.y,
-                                            legend=res.legend,
-                                            yaxis=res.yaxis,
-                                            linestyle=res.linestyle,
-                                            symbol=res.symbol,
-                                            color=res.color,
-                                            ylabel=res.ylabel,
-                                            baseline=res.baseline,
-                                            )
+                        kwargs = {
+                            'x': res.x,
+                            'y': res.y,
+                            'legend': res.legend,
+                            'yaxis': res.yaxis,
+                            'linestyle': res.linestyle,
+                             'symbol': res.symbol,
+                             'color': res.color,
+                             'ylabel': res.ylabel,
+                        }
+                        if silx_plot_has_baseline_feature:
+                            kwargs['baseline'] = res.baseline,
+
+                        curve = self._plot.addCurve(**kwargs)
                         curve = self._plot.getCurve(curve)
                         curve.setAlpha(res.alpha)
                     elif isinstance(res, _XMarkerOperation):