chore(internal): use different 32bit detection method (#477)

Author: stainless-app[bot]

src/finch/_base_client.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import sys
 import json
 import time
 import uuid
@@ -2011,7 +2012,6 @@ def get_python_version() -> str:
 
 def get_architecture() -> Arch:
     try:
-        python_bitness, _ = platform.architecture()
         machine = platform.machine().lower()
     except Exception:
         return "unknown"
@@ -2027,7 +2027,7 @@ def get_architecture() -> Arch:
         return "x64"
 
     # TODO: untested
-    if python_bitness == "32bit":
+    if sys.maxsize <= 2**32:
         return "x32"
 
     if machine: