diff --git a/examples/notebooks/tutorials/asynctransformer.ipynb b/examples/notebooks/tutorials/asynctransformer.ipynb
index ed3e0699..a6063646 100644
--- a/examples/notebooks/tutorials/asynctransformer.ipynb
+++ b/examples/notebooks/tutorials/asynctransformer.ipynb
@@ -162,11 +162,11 @@
           "output_type": "stream",
           "text": [
             "            | value | ret | __time__      | __diff__\n",
-            "^Z3QWT29... | 2     | 3   | 1737869570660 | 1\n",
-            "^3CZ78B4... | 2     | 3   | 1737869570862 | 1\n",
-            "^YYY4HAB... | 6     | 7   | 1737869570862 | 1\n",
-            "^3HN31E1... | 6     | 7   | 1737869571262 | 1\n",
-            "^X1MXHYY... | 12    | 13  | 1737869571262 | 1\n"
+            "^Z3QWT29... | 2     | 3   | 1737955982036 | 1\n",
+            "^3CZ78B4... | 2     | 3   | 1737955982238 | 1\n",
+            "^YYY4HAB... | 6     | 7   | 1737955982238 | 1\n",
+            "^3HN31E1... | 6     | 7   | 1737955982638 | 1\n",
+            "^X1MXHYY... | 12    | 13  | 1737955982638 | 1\n"
           ]
         }
       ],
@@ -410,12 +410,12 @@
           "output_type": "stream",
           "text": [
             "            | group | value | ret | __time__      | __diff__\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1737869574792 | 1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1737869574892 | -1\n",
-            "^Z3QWT29... | 2     | 3     | 4   | 1737869574892 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1737869575092 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1737869575292 | -1\n",
-            "^YYY4HAB... | 1     | 2     | 3   | 1737869575292 | 1\n"
+            "^Z3QWT29... | 2     | 1     | 2   | 1737955986078 | 1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1737955986178 | -1\n",
+            "^Z3QWT29... | 2     | 3     | 4   | 1737955986178 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1737955986378 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1737955986578 | -1\n",
+            "^YYY4HAB... | 1     | 2     | 3   | 1737955986578 | 1\n"
           ]
         }
       ],
@@ -537,18 +537,18 @@
           "output_type": "stream",
           "text": [
             "            | group | value | ret | __time__      | __diff__\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1737869575574 | 1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1737869575574 | 1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1737869575876 | -1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1737869575876 | -1\n",
-            "^Z3QWT29... | 2     | 4     | 5   | 1737869575876 | 1\n",
-            "^3HN31E1... | 4     | 2     | 3   | 1737869575876 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1737869575976 | 1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1737869575976 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1737869576074 | -1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1737869576074 | -1\n",
-            "^YYY4HAB... | 1     | 2     | 3   | 1737869576074 | 1\n",
-            "^3CZ78B4... | 3     | 2     | 3   | 1737869576074 | 1\n"
+            "^Z3QWT29... | 2     | 1     | 2   | 1737955986846 | 1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1737955986846 | 1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1737955987148 | -1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1737955987148 | -1\n",
+            "^Z3QWT29... | 2     | 4     | 5   | 1737955987148 | 1\n",
+            "^3HN31E1... | 4     | 2     | 3   | 1737955987148 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1737955987248 | 1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1737955987248 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1737955987348 | -1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1737955987348 | -1\n",
+            "^YYY4HAB... | 1     | 2     | 3   | 1737955987348 | 1\n",
+            "^3CZ78B4... | 3     | 2     | 3   | 1737955987348 | 1\n"
           ]
         }
       ],
@@ -581,16 +581,16 @@
           "output_type": "stream",
           "text": [
             "            | group | value | ret | __time__      | __diff__\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1737869576182 | 1\n",
-            "^3CZ78B4... | 3     | 2     | 3   | 1737869576282 | 1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1737869576382 | 1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1737869576482 | -1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1737869576482 | -1\n",
-            "^Z3QWT29... | 2     | 4     | 5   | 1737869576482 | 1\n",
-            "^3HN31E1... | 4     | 2     | 3   | 1737869576482 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1737869576582 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1737869576682 | -1\n",
-            "^YYY4HAB... | 1     | 2     | 3   | 1737869576682 | 1\n"
+            "^Z3QWT29... | 2     | 1     | 2   | 1737955987494 | 1\n",
+            "^3CZ78B4... | 3     | 2     | 3   | 1737955987594 | 1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1737955987694 | 1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1737955987794 | -1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1737955987794 | -1\n",
+            "^Z3QWT29... | 2     | 4     | 5   | 1737955987794 | 1\n",
+            "^3HN31E1... | 4     | 2     | 3   | 1737955987794 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1737955987894 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1737955987994 | -1\n",
+            "^YYY4HAB... | 1     | 2     | 3   | 1737955987994 | 1\n"
           ]
         }
       ],
@@ -633,18 +633,18 @@
           "output_type": "stream",
           "text": [
             "            | group | value | ret | __time__      | __diff__\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1737869576824 | 1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1737869576824 | 1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1737869576824 | 1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1737869576824 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1737869577326 | -1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1737869577326 | -1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1737869577326 | -1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1737869577326 | -1\n",
-            "^YYY4HAB... | 1     | 2     | 3   | 1737869577326 | 1\n",
-            "^Z3QWT29... | 2     | 4     | 5   | 1737869577326 | 1\n",
-            "^3CZ78B4... | 3     | 2     | 3   | 1737869577326 | 1\n",
-            "^3HN31E1... | 4     | 2     | 3   | 1737869577326 | 1\n"
+            "^YYY4HAB... | 1     | 5     | 6   | 1737955988160 | 1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1737955988160 | 1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1737955988160 | 1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1737955988160 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1737955988660 | -1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1737955988660 | -1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1737955988660 | -1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1737955988660 | -1\n",
+            "^YYY4HAB... | 1     | 2     | 3   | 1737955988660 | 1\n",
+            "^Z3QWT29... | 2     | 4     | 5   | 1737955988660 | 1\n",
+            "^3CZ78B4... | 3     | 2     | 3   | 1737955988660 | 1\n",
+            "^3HN31E1... | 4     | 2     | 3   | 1737955988660 | 1\n"
           ]
         }
       ],
@@ -688,16 +688,16 @@
           "output_type": "stream",
           "text": [
             "            | group | value | ret | __time__      | __diff__\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1737869577486 | 1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1737869577486 | 1\n",
-            "^Z3QWT29... | 2     | 1     | 2   | 1737869577788 | -1\n",
-            "^3HN31E1... | 4     | 3     | 4   | 1737869577788 | -1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1737869577888 | 1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1737869577888 | 1\n",
-            "^YYY4HAB... | 1     | 5     | 6   | 1737869577986 | -1\n",
-            "^3CZ78B4... | 3     | 1     | 2   | 1737869577986 | -1\n",
-            "^YYY4HAB... | 1     | 2     | 3   | 1737869577986 | 1\n",
-            "^3CZ78B4... | 3     | 2     | 3   | 1737869577986 | 1\n"
+            "^Z3QWT29... | 2     | 1     | 2   | 1737955988914 | 1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1737955988914 | 1\n",
+            "^Z3QWT29... | 2     | 1     | 2   | 1737955989214 | -1\n",
+            "^3HN31E1... | 4     | 3     | 4   | 1737955989214 | -1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1737955989316 | 1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1737955989316 | 1\n",
+            "^YYY4HAB... | 1     | 5     | 6   | 1737955989416 | -1\n",
+            "^3CZ78B4... | 3     | 1     | 2   | 1737955989416 | -1\n",
+            "^YYY4HAB... | 1     | 2     | 3   | 1737955989416 | 1\n",
+            "^3CZ78B4... | 3     | 2     | 3   | 1737955989416 | 1\n"
           ]
         }
       ],
diff --git a/examples/notebooks/tutorials/udf.ipynb b/examples/notebooks/tutorials/udf.ipynb
index 3cf2a939..4ad259a7 100644
--- a/examples/notebooks/tutorials/udf.ipynb
+++ b/examples/notebooks/tutorials/udf.ipynb
@@ -900,14 +900,7 @@
           "name": "stdout",
           "output_type": "stream",
           "text": [
-            "inc_async(0.2) finishing"
-          ]
-        },
-        {
-          "name": "stdout",
-          "output_type": "stream",
-          "text": [
-            "\n"
+            "inc_async(0.2) finishing\n"
           ]
         },
         {