@@ -1825,8 +1825,11 @@ def set_ticklabels(self, ticklabels, *, minor=False, **kwargs):
             For each tick, includes ``tick.label1`` if it is visible, then
             ``tick.label2`` if it is visible, in that order.
         """
-        ticklabels = [t.get_text() if hasattr(t, 'get_text') else t
-                      for t in ticklabels]
+        try:
+            ticklabels = [t.get_text() if hasattr(t, 'get_text') else t
+                          for t in ticklabels]
+        except TypeError:
+            raise TypeError(f"{ticklabels:=} must be a sequence") from None
         locator = (self.get_minor_locator() if minor
                    else self.get_major_locator())
         if isinstance(locator, mticker.FixedLocator):