fix path

app.py

@@ -333,6 +333,9 @@ def protpardelle(path_to_file, m, resample_idx,  modeltype, minlen, maxlen, step
         model.to(device)
         model.eval()
         model.device = device
+    
+    if config.train.home_dir == '':
+        config.train.home_dir = os.getcwd()
 
     with open(save_dir + "/run_parameters.txt", "w") as f:
         f.write(f"Sampling run for {date_string}\n")