Fix nightly test because more trfrt python bindings tests were added.

PiperOrigin-RevId: 401825050
Change-Id: I56b635900c801b54556b89efa3ac4b92dd6f57f7
diff --git a/tensorflow/compiler/mlir/tfrt/python_tests/BUILD b/tensorflow/compiler/mlir/tfrt/python_tests/BUILD
index 1ecb203..197f6e1 100644
--- a/tensorflow/compiler/mlir/tfrt/python_tests/BUILD
+++ b/tensorflow/compiler/mlir/tfrt/python_tests/BUILD
@@ -202,6 +202,7 @@
         exclude = ["regression_tests/*.disabled.mlir"],
     ),
     python_version = "PY3",
+    tags = ["no_pip"],  # TODO(b/201803253): TFRT pybindings not in OSS.
     deps = [
         "//tensorflow/compiler/mlir/tfrt/jit/python_binding:tf_cpurt",
         "//tensorflow/python:client_testlib",