Update app.py

app.py

@@ -128,7 +128,7 @@ def penalize_for_grammar(student_answer):
     grammar_errors, _ = detect_grammar_errors(student_answer)  # Only take the first element (error count)
     
     # Apply a penalty based on the number of grammar errors (max 70% penalty)
-    penalty = max(0.8, 1 - 0.1 * grammar_errors)
+    penalty = max(0.1, 1 - 0.1 * grammar_errors)
     return penalty
 
 
@@ -140,7 +140,7 @@ def compare_answers(student_answer, teacher_answer):
     print(f"Sentence similarity: {sentence_similarity}")
     
     # Use a higher weight for BERT similarity
-    semantic_similarity = (0.60 * bert_similarity + 0.40 * sentence_similarity)
+    semantic_similarity = (0.50 * bert_similarity + 0.50 * sentence_similarity)
     print(f"Semantic similarity: {semantic_similarity}")
     
     # Apply grammar penalty