Update app.py

app.py

@@ -18,7 +18,7 @@ def generate_importance_matrix(model_path, train_data_path):
     print(f"Current working directory: {os.getcwd()}")
     print(f"Files in the current directory: {os.listdir('.')}")
 
-    if not os.path.isfile(f"../{model_path}")):
+    if not os.path.isfile(f"../{model_path}"):
         raise Exception(f"Model file not found: {model_path}")
 
     print("Running imatrix command...")