fix(app): cover should not be required to run

app-full.py

@@ -159,7 +159,10 @@ if __name__ == '__main__':
         index_path = glob.glob(f"{folder_path}/{name}/*.index")
         checkpoint_path = glob.glob(f"{folder_path}/{name}/*.pth")
         title = name
-        cover = cover_path[0]
+        if cover_path:
+            cover = cover_path[0]
+        else:
+            cover = ""
         index = index_path[0]
         cpt = torch.load(checkpoint_path[0], map_location="cpu")
         tgt_sr = cpt["config"][-1]

app.py

@@ -110,7 +110,10 @@ if __name__ == '__main__':
         index_path = glob.glob(f"{folder_path}/{name}/*.index")
         checkpoint_path = glob.glob(f"{folder_path}/{name}/*.pth")
         title = name
-        cover = cover_path[0]
+        if cover_path:
+            cover = cover_path[0]
+        else:
+            cover = ""
         index = index_path[0]
         cpt = torch.load(checkpoint_path[0], map_location="cpu")
         tgt_sr = cpt["config"][-1]
@@ -133,7 +136,7 @@ if __name__ == '__main__':
         gr.Markdown(
             "# <center> RVC Models (Latest Update)\n"
             "## <center> The input audio should be clean and pure voice without background music.\n"
-            "### <center> More feature will be added soon... \n"
+            "### <center> Recommended to use google colab for more features. \n"
             "[![image](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/drive/110kiMZTdP6Ri1lY9-NbQf17GVPPhHyeT?usp=sharing)\n\n"
             "[![Original Repo](https://badgen.net/badge/icon/github?icon=github&label=Original%20Repo)](https://github.com/RVC-Project/Retrieval-based-Voice-Conversion-WebUI)"
         )