Fixes TabbedInterface bug where only first interface events get trigg…

…ered (#8504)

* Add code

* add changeset

* Add code

---------

Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>

.changeset/pretty-clowns-fall.md

@@ -0,0 +1,5 @@
+---
+"gradio": patch
+---
+
+fix:Fixes TabbedInterface bug where only first interface events get triggered

gradio/blocks.py

@@ -1355,6 +1355,7 @@ def render(self):
                 if isinstance(dep.api_name, str)
             ]
             for dependency in self.fns.values():
+                dependency._id += dependency_offset
                 api_name = dependency.api_name
                 if isinstance(api_name, str):
                     api_name_ = utils.append_unique_suffix(

test/test_interfaces.py

@@ -263,3 +263,15 @@ def test_live_interface_sets_always_last():
             assert dep["trigger_mode"] == "always_last"
             return
     raise AssertionError("No change dependency found")
+
+
+def test_tabbed_interface_predictions(connect):
+    hello_world = gradio.Interface(lambda name: "Hello " + name, "text", "text")
+    bye_world = gradio.Interface(lambda name: "Bye " + name, "text", "text")
+
+    demo = gradio.TabbedInterface(
+        [hello_world, bye_world], ["Hello World", "Bye World"]
+    )
+    with connect(demo) as client:
+        assert client.predict("Emily", api_name="/predict") == "Hello Emily"
+        assert client.predict("Hannah", api_name="/predict") == "Hello Hannah"