Allow unit registry to look up 2D-like input

dstansby · dstansby · commit 794b4ed36686 · 2024-03-10T10:24:50.000Z
diff --git a/lib/matplotlib/units.py b/lib/matplotlib/units.py
@@ -192,7 +192,7 @@ def get_converter(self, x):
         else:
             # ... and avoid infinite recursion for pathological iterables for
             # which indexing returns instances of the same iterable class.
-            if type(first) is not type(x):
+            if isinstance(first, list) or type(first) is not type(x):
                 return self.get_converter(first)
         return None
 
