Update app.py

app.py

@@ -56,8 +56,8 @@ def main(input_file_path, species):
     print(model_loc)
 
     # Verify adata_path is not None
-    if adata_path is None or not os.path.exists(adata_path):
-        raise ValueError(f"Invalid adata_path: {adata_path}. Please check if the file exists.")
+    if input_file_path is None or not os.path.exists(input_file_path):
+        raise ValueError(f"Invalid adata_path: {input_file_path}. Please check if the file exists.")
     
     # Construct the command
     command = [