Update dash_plotly_QC_scRNA.py

dash_plotly_QC_scRNA.py

@@ -63,14 +63,13 @@ tab0_content = html.Div([
 ])
 
 @app.callback(
-    Input(component_id='dpdn1', component_property='value')
-)
-
-def update_dataset(dataset_chosen): #batch_chosen, 
+    Input(component_id='dpdn1', component_property='value'),
+    Output('output-div', 'children'))
+def update_dataset(dataset_chosen):
     global df
     filepath = f"az://data10xflex/{dataset_chosen}.parquet"
-    df = pl.read_parquet(filepath,storage_options=storage_options)
-    return df
+    df = pl.read_parquet(filepath, storage_options=storage_options)
+    return html.Pre(df.to_string())
 
 min_value = df[col_features].min()
 max_value = df[col_features].max()