From 01b5ff54b85c1db862a525a2aac8cd16b60f4295 Mon Sep 17 00:00:00 2001
From: tfx-bsl-team <tensorflow-extended-nonhuman@googlegroups.com>
Date: Tue, 15 Mar 2022 08:54:33 -0700
Subject: [PATCH] Give a default value of None to the `telemetry_descriptors`.

PiperOrigin-RevId: 434763744
---
 tfx_bsl/tfxio/csv_tfxio.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tfx_bsl/tfxio/csv_tfxio.py b/tfx_bsl/tfxio/csv_tfxio.py
index b74910cb..2c79c695 100644
--- a/tfx_bsl/tfxio/csv_tfxio.py
+++ b/tfx_bsl/tfxio/csv_tfxio.py
@@ -182,7 +182,7 @@ class CsvTFXIO(_CsvTFXIOBase):
   def __init__(self,
                file_pattern: Text,
                column_names: List[Text],
-               telemetry_descriptors: List[Text],
+               telemetry_descriptors: Optional[List[Text]] = None,
                validate: Optional[bool] = True,
                delimiter: Optional[Text] = ",",
                skip_blank_lines: Optional[bool] = True,