make xticklabels invisible

Signed-off-by: Arnau Aguasca-Cabot <[email protected]>

gammapy/datasets/flux_points.py

@@ -536,6 +536,8 @@ def plot_fit(
         gs = GridSpec(7, 1)
         if ax_spectrum is None:
             ax_spectrum = fig.add_subplot(gs[:5, :])
+            if ax_residuals is None:
+                plt.setp(ax_spectrum.get_xticklabels(), visible=False)
 
         if ax_residuals is None:
             ax_residuals = fig.add_subplot(gs[5:, :], sharex=ax_spectrum)

gammapy/datasets/spectrum.py

@@ -58,6 +58,10 @@ def plot_fit(
         >>> dataset.plot_fit(kwargs_residuals=kwargs_residuals, kwargs_spectrum=kwargs_spectrum)  # doctest: +SKIP
         """
         gs = GridSpec(7, 1)
+        if ax_spectrum is None and ax_residuals is None:
+            bool_visible_xticklabel = False
+        else:
+            bool_visible_xticklabel = True
         ax_spectrum, ax_residuals = get_axes(
             ax_spectrum,
             ax_residuals,
@@ -77,6 +81,7 @@ def plot_fit(
         method = kwargs_residuals.get("method", "diff")
         label = self._residuals_labels[method]
         ax_residuals.set_ylabel(f"Residuals\n{label}")
+        plt.setp(ax_spectrum.get_xticklabels(), visible=bool_visible_xticklabel)
 
         return ax_spectrum, ax_residuals