Update app.py

app.py

@@ -85,21 +85,19 @@ is_better_run1_count = 0
 is_better_run2_count = 0
 checkboxes = None
 with col1:
-    corpus, queries, qrels = get_beir(dataset_name)
-    
-    evaluator = pytrec_eval.RelevanceEvaluator(
-            qrels, pytrec_eval.supported_measures)
-    
-    if run1_file is not None:
-        run1, run1_pandas = load_run(run1_file)
-        results1 = evaluator.evaluate(run1) # dict of instance then metrics then values
-    
-    if run2_file is not None:
-        run2, run2_pandas = load_run(run2_file)
-        results2 = evaluator.evaluate(run2)
-
     st.title("Instances")
     if run1_file is not None:
+        corpus, queries, qrels = get_beir(dataset_name)
+        evaluator = pytrec_eval.RelevanceEvaluator(
+                qrels, pytrec_eval.supported_measures)
+        
+        if run1_file is not None:
+            run1, run1_pandas = load_run(run1_file)
+            results1 = evaluator.evaluate(run1) # dict of instance then metrics then values
+        if run2_file is not None:
+            run2, run2_pandas = load_run(run2_file)
+            results2 = evaluator.evaluate(run2)
+            
         name_of_columns = ["Overview"] + sorted([str(item) for item in set(run1_pandas.qid.tolist())])
         checkboxes = [("Overview", st.checkbox("Overview", key=f"0overview"))]
         st.divider()