Update app.py

app.py

@@ -92,7 +92,7 @@ def compute_contact_order(pdb_file, sequence_length):
     structure_length = len(ca_coords)
 
     if structure_length != sequence_length:
-        warning = f"⚠️ Sequence length = {sequence_length}, structure CA count = {structure_length}. Mismatch detected."
+        warning = f"Sequence length = {sequence_length}, structure CA count = {structure_length}. Mismatch detected."
     else:
         warning = None