[fx] fix offload codegen test (#1648)

* [fx] fix offload codegen test

* [fx] modify typing

colossalai/fx/codegen/activation_checkpoint_codegen.py

 import colossalai
 import torch
-from typing import List, Callable, Any, Tuple, Dict
+from typing import List, Callable, Any, Tuple, Dict, Iterable
 
 try:
     from torch.fx.node import Node, Argument, map_arg, _type_repr, _get_qualified_name
@@ -157,7 +157,7 @@ def _find_offload_regions(nodes: List[Node]):
     current_region = None
 
     for idx, node in enumerate(nodes):
-        if hasattr(node, 'activation_offload') and isinstance(getattr(node, 'activation_offload', None), list):
+        if hasattr(node, 'activation_offload') and isinstance(getattr(node, 'activation_offload', None), Iterable):
             act_offload_label = node.activation_offload
 
             if current_region == None:
@@ -796,7 +796,7 @@ if CODEGEN_AVAILABLE:
 
             # if any node has a list of labels for activation_checkpoint, we
             # will use nested type of activation checkpoint codegen
-            if any(isinstance(getattr(node, "activation_checkpoint", None), list) for node in nodes):
+            if any(isinstance(getattr(node, "activation_checkpoint", None), Iterable) for node in nodes):
                 emit_code_with_nested_activation_checkpoint(body, ckpt_func, nodes, emit_node, delete_unused_values)
             else:
                 emit_code_with_activation_checkpoint(body, ckpt_func, nodes, emit_node, delete_unused_values)
@@ -999,7 +999,7 @@ else:
 
         # if any node has a list of labels for activation_checkpoint, we
         # will use nested type of activation checkpoint codegen
-        if any(isinstance(getattr(node, "activation_checkpoint", None), list) for node in self.nodes):
+        if any(isinstance(getattr(node, "activation_checkpoint", None), Iterable) for node in self.nodes):
             emit_code_with_nested_activation_checkpoint(body, ckpt_func, self.nodes, emit_node, delete_unused_values)
         else:
             emit_code_with_activation_checkpoint(body, ckpt_func, self.nodes, emit_node, delete_unused_values)

tests/test_fx/test_codegen/test_offload_codegen.py

@@ -83,13 +83,13 @@ def _run_offload_codegen(rank):
     # of input offload
     for node in graph.nodes:
         if node.name == "linear0":
-            setattr(node, "activation_offload", (0, True, False))
+            setattr(node, "activation_offload", [0, True, False])
         if node.name == "linear1":
-            setattr(node, "activation_offload", (0, True, False))
+            setattr(node, "activation_offload", [0, True, False])
         if node.name == "linear2":
-            setattr(node, "activation_offload", (1, True, True))
+            setattr(node, "activation_offload", [1, True, True])
         if node.name == "linear4":
-            setattr(node, "activation_offload", (2, False, True))
+            setattr(node, "activation_offload", [2, False, True])
         if node.name == "linear5":
             setattr(node, "activation_checkpoint", [0])
             setattr(node, "activation_offload", True)
@@ -138,13 +138,13 @@ def _run_offload_codegen_torch11(rank):
     # of input offload
     for node in graph.nodes:
         if node.name == "linear0":
-            setattr(node, "activation_offload", (0, True, False))
+            setattr(node, "activation_offload", [0, True, False])
         if node.name == "linear1":
-            setattr(node, "activation_offload", (0, True, False))
+            setattr(node, "activation_offload", [0, True, False])
         if node.name == "linear2":
-            setattr(node, "activation_offload", (1, True, True))
+            setattr(node, "activation_offload", [1, True, True])
         if node.name == "linear4":
-            setattr(node, "activation_offload", (2, False, True))
+            setattr(node, "activation_offload", [2, False, True])
         if node.name == "linear5":
             setattr(node, "activation_checkpoint", [0])
             setattr(node, "activation_offload", True)