Fix warning of 'has_mps' is deprecated from PyTorch

modules/mac_specific.py

@@ -4,16 +4,21 @@ from modules.sd_hijack_utils import CondFunc
 from packaging import version
 
 
-# has_mps is only available in nightly pytorch (for now) and macOS 12.3+.
-# check `getattr` and try it for compatibility
+# before torch version 1.13, has_mps is only available in nightly pytorch and macOS 12.3+,
+# use check `getattr` and try it for compatibility.
+# in torch version 1.13, backends.mps.is_available() and backends.mps.is_built() are introduced in to check mps availabilty,
+# since torch 2.0.1+ nightly build, getattr(torch, 'has_mps', False) was deprecated, see https://github.com/pytorch/pytorch/pull/103279
 def check_for_mps() -> bool:
-    if not getattr(torch, 'has_mps', False):
-        return False
-    try:
-        torch.zeros(1).to(torch.device("mps"))
-        return True
-    except Exception:
-        return False
+    if version.parse(torch.__version__) <= version.parse("2.0.1"):
+        if not getattr(torch, 'has_mps', False):
+            return False
+        try:
+            torch.zeros(1).to(torch.device("mps"))
+            return True
+        except Exception:
+            return False
+    else:
+        return torch.backends.mps.is_available() and torch.backends.mps.is_built()
 has_mps = check_for_mps()