Suppress DataFrame.applymap deprecation warning

sdks/python/apache_beam/runners/interactive/display/pcoll_visualization.py

@@ -420,7 +420,11 @@ def _display_dataframe(self, data, update=None):
     format_window_info_in_dataframe(data)
     # Convert the dataframe into rows, each row looks like
     # [column_1_val, column_2_val, ...].
-    rows = data.applymap(lambda x: str(x)).to_dict('split')['data']
+    with warnings.catch_warnings():
+      warnings.filterwarnings(
+          "ignore", message=".*DataFrame.applymap has been deprecated.*")
+      rows = data.applymap(lambda x: str(x)).to_dict('split')['data']
+
     # Convert each row into dict where keys are column index in the datatable
     # to be rendered and values are data from the dataframe. Column index 0 is
     # left out to hold the int index (not part of the data) from dataframe.