fix (jax backend)(general.py): adding support for Flax variables to t…

…he function.

ivy/functional/backends/jax/general.py

@@ -54,6 +54,9 @@ def current_backend_str() -> str:
 def is_native_array(x, /, *, exclusive=False):
     if exclusive:
         return isinstance(x, NativeArray)
+    elif any(cls in str(x.__class__) for cls in ['flax.nnx.nnx.variables.Param', 'flax.core.scope.Variable']):
+    # ensure flax Variables(linen, nnx) classify as a native array if `exclusive` is False
+        return True
     return isinstance(
         x,
         (

ivy/functional/ivy/general.py

@@ -289,7 +289,7 @@ def is_native_array(
     x
         The input to check
     exclusive
-        Whether to check if the data type is exclusively an array, rather than a
+        Whether to check if the input x is exclusively an array, rather than a
         variable or traced array.
 
     Returns