Update app.py

app.py

@@ -2,6 +2,7 @@ import streamlit as st
 import numpy as np
 from Bio import SeqIO
 from Bio.Seq import Seq
+from Bio.SeqUtils import GC
 from hmmlearn import hmm
 
 # Function to encode DNA sequence
@@ -22,7 +23,7 @@ def analyze_dark_matter(sequence):
     
     # Basic statistics
     length = len(seq)
-    gc_content = SeqIO.GC(seq)
+    gc_content = GC(seq)
     
     # Look for common regulatory motifs
     tata_box = seq.count("TATAAA")