Update pretrains.json

pretrains.json

@@ -41,8 +41,8 @@
     },
     "Nanashi v1.7": {
         "32k": {
-            "D": "shiromiya/nanashi-pretrain/resolve/main/v1.7/D_nanashi_v1_7.pth",
-            "G": "shiromiya/nanashi-pretrain/resolve/main/v1.7/G_nanashi_v1_7.pth"
+            "D": "https://huggingface.co/shiromiya/nanashi-pretrain/resolve/main/v1.7/D_nanashi_v1_7.pth",
+            "G": "https://huggingface.co/shiromiya/nanashi-pretrain/resolve/main/v1.7/G_nanashi_v1_7.pth"
         }
     },
     "Ov2Super": {