Override logic for slider_labels

Author: nabobalis

mpl_animators/wcs.py

@@ -99,8 +99,11 @@ def __init__(self, data, wcs, slices, coord_params=None, ylim='dynamic', ylabel=
         extra_slider_labels = []
         if "slider_functions" in kwargs and "slider_labels" not in kwargs:
             extra_slider_labels = [a.__name__ for a in kwargs['slider_functions']]
-
-        slider_labels = self._compute_slider_labels_from_wcs(slices) + extra_slider_labels
+        if "slider_labels" not in kwargs:
+            slider_labels = self._compute_slider_labels_from_wcs(slices)
+        else:
+            slider_labels = kwargs.pop('slider_labels')
+        slider_labels += extra_slider_labels
 
         super().__init__(data, image_axes=image_axes, axis_ranges=None,
                          slider_labels=slider_labels,