fix gumbel (#1495)

Author: awni

python/src/random.cpp

@@ -352,10 +352,10 @@ void init_random(nb::module_& parent_module) {
       },
       "shape"_a = std::vector<int>{},
       "dtype"_a.none() = float32,
-      "stream"_a = nb::none(),
       "key"_a = nb::none(),
+      "stream"_a = nb::none(),
       nb::sig(
-          "def gumbel(shape: Sequence[int] = [], dtype: Optional[Dtype] = float32, stream: Optional[array] = None, key: Union[None, Stream, Device] = None) -> array"),
+          "def gumbel(shape: Sequence[int] = [], dtype: Optional[Dtype] = float32, key: Union[None, Stream, Device] = None, stream: Optional[array] = None) -> array"),
       R"pbdoc(
         Sample from the standard Gumbel distribution.
 
@@ -364,11 +364,14 @@ void init_random(nb::module_& parent_module) {
 
         Args:
             shape (list(int)): The shape of the output.
+            dtype (Dtype, optional): The data type of the output.
+              Default: ``float32``.
             key (array, optional): A PRNG key. Default: ``None``.
 
         Returns:
-            array: The :class:`array` with shape ``shape`` and
-                   distributed according to the Gumbel distribution
+            array:
+              The :class:`array` with shape ``shape`` and distributed according
+              to the Gumbel distribution.
       )pbdoc");
   m.def(
       "categorical",