Update dash_plotly_QC_scRNA.py

dash_plotly_QC_scRNA.py

@@ -407,7 +407,7 @@ def update_graph_and_pie_chart(batch_chosen, s_chosen, g2m_chosen, condition1_ch
     dff_long = dff_pre.melt(id_vars="batch", variable_name="Gene", value_name="Expression")
 
     # Calculate the mean expression levels for each gene in each region
-    expression_means = dff_long.group_by(["batch", "Gene"]).agg(pl.mean("Expression"))
+    expression_means = dff_long.lazy().groupby(["batch", "Gene"]).agg(pl.mean("Expression")).collect()
 
     #expression_means = expression_means.select(["batch", "Gene", "Expression"] + condition3_chosen)