Update app.py

app.py

@@ -53,8 +53,12 @@ def compare_all(old_pdf, new_pdf, lo_file):
         summary += "🆕 Significant changes detected."
 
     # LO comparison
-    los = lo_file.read().decode("utf-8", errors="ignore").splitlines()
-    los = [lo.strip() for lo in los if lo.strip()]
+    if hasattr(lo_file, 'read'):
+        lo_text = lo_file.read().decode("utf-8", errors="ignore")
+    else:
+        lo_text = lo_file  # already a string
+
+    los = [line.strip() for line in lo_text.splitlines() if line.strip()]
     if not los:
         return summary + "\n⚠️ No valid Learning Outcomes found.", None, None
 
@@ -98,7 +102,7 @@ iface = gr.Interface(
         gr.Plot(label="LO-wise Bar Chart"),
         gr.HTML(label="LO-wise Comparison Table")
     ],
-    title="📘 Semantic Handout Comparator with LO Alignment (Fixed)",
+    title="📘 Semantic Handout Comparator with LO Alignment (Final Patch)",
     description="Compare course handouts and learning outcomes using robust PDF reading and transformers."
 )