add missing param

app.py

@@ -24,7 +24,8 @@ config = {
     "cand_k": 3,
     "max_seq2_length": 256,
     "max_seq1_length": 128,
-    "max_num_questions": 8
+    "max_num_questions": 8,
+    "do_lower_case": False
 }
 
 model_dir = snapshot_download('Jiangjie/loren')
@@ -96,6 +97,7 @@ iface = gr.Interface(
     description="LOREN is an interpretable Fact Verification model against Wikipedia. "
                 "This is a demo system for \"LOREN: Logic-Regularized Reasoning for Interpretable Fact Verification\". "
                 "See the paper for technical details. You can add FLAG on the bottom to record interesting or bad cases!",
+    flagging_dir='results/flagged/',
     allow_flagging=True,
     flagging_options=['Good Case!', 'Error: MRC', 'Error: Parsing',
                       'Error: Commonsense', 'Error: Evidence', 'Error: Other'],