Handle str enum breaking change in python 3.11 (#2819)

Summary:
Pull Request resolved: #2819

StrEnum(str, enum.Enum) is not backwards compatible starting with Python 3.11

https://tomwojcik.com/posts/2023-01-02/python-311-str-enum-breaking-change

Reviewed By: Jack-Khuu

Differential Revision: D55669235

fbshipit-source-id: 79236ecf7aea14f08f9bdefc81bdba49bd4bcb09

Author: tarun292

sdk/etrecord/_etrecord.py

@@ -7,7 +7,6 @@
 import json
 import pickle
 from dataclasses import dataclass
-from enum import Enum
 from typing import Dict, List, Optional, Union
 from zipfile import BadZipFile, ZipFile
 
@@ -29,8 +28,18 @@
 
 ProgramOutput = List[Value]
 
+try:
+    # breaking change introduced in python 3.11
+    # pyre-ignore
+    from enum import StrEnum
+except ImportError:
+    from enum import Enum
 
-class ETRecordReservedFileNames(str, Enum):
+    class StrEnum(str, Enum):
+        pass
+
+
+class ETRecordReservedFileNames(StrEnum):
     ETRECORD_IDENTIFIER = "ETRECORD_V0"
     EDGE_DIALECT_EXPORTED_PROGRAM = "edge_dialect_exported_program"
     ET_DIALECT_GRAPH_MODULE = "et_dialect_graph_module"