remove iopath

fix: https://github.com/Sanster/IOPaint/issues/593

iopaint/plugins/segment_anything2/modeling/backbones/hieradet.py

@@ -11,7 +11,6 @@ from typing import List, Tuple, Union
 import torch
 import torch.nn as nn
 import torch.nn.functional as F
-from iopath.common.file_io import g_pathmgr
 
 from .utils import (
     PatchEmbed,
@@ -266,8 +265,7 @@ class Hiera(nn.Module):
         )
 
         if weights_path is not None:
-            with g_pathmgr.open(weights_path, "rb") as f:
-                chkpt = torch.load(f, map_location="cpu")
+            chkpt = torch.load(weights_path, map_location="cpu")
             logging.info("loading Hiera", self.load_state_dict(chkpt, strict=False))
 
     def _get_pos_embed(self, hw: Tuple[int, int]) -> torch.Tensor: