From 4ee606603042e431a2480c17a479b1327de82d07 Mon Sep 17 00:00:00 2001
From: Jing Jin <8752427+jinjingforever@users.noreply.github.com>
Date: Mon, 4 Nov 2024 09:45:08 -0800
Subject: [PATCH 1/2] Show pytorch adapter even if torch in not impoted.

Just realized that it is useful to show that the pytorch adapter is available even if torch is not imported. We will display 'torch not installed' error message when user actually uses the adapter.
---
 .../package/src/model_explorer/extension_manager.py      | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/src/server/package/src/model_explorer/extension_manager.py b/src/server/package/src/model_explorer/extension_manager.py
index 4cb223a4..13ae654f 100644
--- a/src/server/package/src/model_explorer/extension_manager.py
+++ b/src/server/package/src/model_explorer/extension_manager.py
@@ -19,11 +19,6 @@
 from importlib import import_module
 from typing import Any, Dict, Union
 
-try:
-  import torch
-except ImportError:
-  torch = None
-
 from .adapter_runner import AdapterRunner
 from .consts import MODULE_NAME
 from .extension_class_processor import ExtensionClassProcessor
@@ -41,9 +36,7 @@ class ExtensionManager(object, metaclass=Singleton):
           '.builtin_tf_mlir_adapter',
           '.builtin_tf_direct_adapter',
           '.builtin_graphdef_adapter',
-      ]
-      + (['.builtin_pytorch_exportedprogram_adapter'] if torch else [])
-      + [
+          '.builtin_pytorch_exportedprogram_adapter',
           '.builtin_mlir_adapter',
       ]
   )

From d4cb9db80ace986e8046edbee2d998c62e350b20 Mon Sep 17 00:00:00 2001
From: Jing Jin <8752427+jinjingforever@users.noreply.github.com>
Date: Mon, 4 Nov 2024 09:47:09 -0800
Subject: [PATCH 2/2] Reformat

---
 .../src/model_explorer/extension_manager.py   | 20 +++++++++----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/src/server/package/src/model_explorer/extension_manager.py b/src/server/package/src/model_explorer/extension_manager.py
index 13ae654f..cc023b3c 100644
--- a/src/server/package/src/model_explorer/extension_manager.py
+++ b/src/server/package/src/model_explorer/extension_manager.py
@@ -29,17 +29,15 @@
 
 
 class ExtensionManager(object, metaclass=Singleton):
-  BUILTIN_ADAPTER_MODULES: list[str] = (
-      [
-          '.builtin_tflite_flatbuffer_adapter',
-          '.builtin_tflite_mlir_adapter',
-          '.builtin_tf_mlir_adapter',
-          '.builtin_tf_direct_adapter',
-          '.builtin_graphdef_adapter',
-          '.builtin_pytorch_exportedprogram_adapter',
-          '.builtin_mlir_adapter',
-      ]
-  )
+  BUILTIN_ADAPTER_MODULES: list[str] = [
+      '.builtin_tflite_flatbuffer_adapter',
+      '.builtin_tflite_mlir_adapter',
+      '.builtin_tf_mlir_adapter',
+      '.builtin_tf_direct_adapter',
+      '.builtin_graphdef_adapter',
+      '.builtin_pytorch_exportedprogram_adapter',
+      '.builtin_mlir_adapter',
+  ]
 
   CACHED_REGISTERED_EXTENSIONS: Dict[str, RegisteredExtension] = {}