Fix HuggingFace Spaces launch and args type check

app.py

@@ -45,7 +45,7 @@ def main():
     logger.info("UI built successfully!")
     
     logger.info("Launching application...")
-    app.launch()
+    app.launch(server_name="0.0.0.0", server_port=7860, share=False)
     logger.info("Application started!")
 
 

model.py

@@ -34,9 +34,9 @@ def initialize(model_path: str, device: str) -> torch.nn.Module:
     logger.info("Parsing model arguments...")
     args = ckpt['args'].model.replace("ManyAR_PatchEmbed", "PatchEmbedDust3R")
 
-    if 'landscape_only' not in args:
+    if isinstance(args, str) and 'landscape_only' not in args:
         args = args[:-1] + ', landscape_only=False)'
-    else:
+    elif isinstance(args, str):
         args = args.replace(" ", "").replace('landscape_only=True', 'landscape_only=False')
 
     logger.info("Instantiating model...")