Update omni_genomics.py

omni_genomics.py

@@ -1,6 +1,6 @@
 import pandas as pd
 import plotly.express as px
-
+import plotly.graph_objects as go
 class OMNIGenomics:
     def plot_variant_density(self, vcf_simulated_data):
         # V8 visualization of variant distribution across chromosomes