Update app.py

app.py

@@ -14,7 +14,7 @@ def setup_cpu_environment():
 
 setup_cpu_environment()
 
-from RadEval import RadEval
+from RadEval import RadEval, compare_systems
 
 def run_radeval_simple(ref_text, hyp_text, selected_metrics):
     """
@@ -263,9 +263,7 @@ def run_hypothesis_testing(systems_data, selected_test_metrics, n_samples, signi
     """
     Run statistical significance testing between multiple systems
     """
-    try:
-        from RadEval import RadEval, compare_systems
-        
+    try:        
         # Parse systems data (expecting JSON format)
         import json
         systems_dict = json.loads(systems_data)