Update app.py

app.py

@@ -116,7 +116,7 @@ def generate_report(file, type):
                         lowess=False,chart_format='html',max_rows_analyzed=150000,
                          max_cols_analyzed=30,save_plot_dir=None)
         reports = []
-        print(dir("./"))
+        print(os.listdir("./"))
         output_dir_html="./AutoViz"
         for filename in os.listdir(output_dir_html):
             if filename.endswith(".html"):