Remove srcs_version and python_version attributes, as they already default to "PY3"

tf_keras/BUILD

@@ -35,7 +35,6 @@ py_library(
     srcs = [
         "__init__.py",
     ],
-    srcs_version = "PY3",
     deps = [
         ":backend",
         ":engine",
@@ -69,7 +68,6 @@ py_library(
 py_library(
     name = "backend",
     srcs = ["backend.py"],
-    srcs_version = "PY3",
     deps = [
         ":backend_config",
         "//:expect_numpy_installed",
@@ -86,7 +84,6 @@ py_library(
 py_library(
     name = "backend_config",
     srcs = ["backend_config.py"],
-    srcs_version = "PY3",
     deps = [
         "//:expect_tensorflow_installed",
     ],
@@ -99,7 +96,6 @@ py_library(
         "//tf_keras/metrics",
         "//tf_keras/models",
     ],
-    srcs_version = "PY3",
     deps = [
         "//tf_keras/engine",
     ],
@@ -110,7 +106,6 @@ py_library(
     srcs = [
         "activations.py",
     ],
-    srcs_version = "PY3",
     deps = [
         ":backend",
         "//tf_keras/layers/activation",
@@ -122,7 +117,6 @@ py_library(
 py_library(
     name = "base_layer",
     srcs = [],
-    srcs_version = "PY3",
     deps = [
         "//tf_keras/engine:base_layer",
     ],
@@ -133,7 +127,6 @@ py_library(
     srcs = [
         "callbacks.py",
     ],
-    srcs_version = "PY3",
     deps = [
         ":backend",
         "//:expect_tensorboard_installed",
@@ -152,7 +145,6 @@ py_library(
     srcs = [
         "callbacks_v1.py",
     ],
-    srcs_version = "PY3",
     deps = [
         ":backend",
         "//:expect_tensorboard_installed",
@@ -166,7 +158,6 @@ py_library(
     srcs = [
         "constraints.py",
     ],
-    srcs_version = "PY3",
     deps = [
         ":backend",
         "//tf_keras/utils:engine_utils",
@@ -178,7 +169,6 @@ py_library(
     srcs = [
         "losses.py",
     ],
-    srcs_version = "PY3",
     deps = [
         ":backend",
         "//:expect_tensorflow_installed",
@@ -194,7 +184,6 @@ py_library(
     srcs = [
         "regularizers.py",
     ],
-    srcs_version = "PY3",
     deps = [
         ":backend",
         "//tf_keras/utils:engine_utils",
@@ -207,7 +196,6 @@ py_library(
 # py_library(
 #     name = "url_utils",
 #     srcs = ["google/url_utils.py"],
-#     srcs_version = "PY3",
 #     deps = ["//pyglib/contrib/google_ssl"],
 # )
 # copybara:uncomment_end
@@ -230,7 +218,6 @@ tf_py_test(
     name = "activations_test",
     size = "small",
     srcs = ["activations_test.py"],
-    python_version = "PY3",
     deps = [
         ":activations",
         ":backend",
@@ -249,7 +236,6 @@ tf_py_test(
     name = "constraints_test",
     size = "small",
     srcs = ["constraints_test.py"],
-    python_version = "PY3",
     deps = [
         ":backend",
         ":constraints",
@@ -263,7 +249,6 @@ tf_py_test(
     name = "regularizers_test",
     size = "medium",
     srcs = ["regularizers_test.py"],
-    python_version = "PY3",
     deps = [
         ":tf_keras",
         "//:expect_absl_installed",  # absl/testing:parameterized
@@ -276,7 +261,6 @@ tf_py_test(
     name = "losses_test",
     size = "small",
     srcs = ["losses_test.py"],
-    python_version = "PY3",
     shard_count = 4,
     tags = [
         "noasan",  # b/186128525
@@ -295,7 +279,6 @@ tf_py_test(
     name = "callbacks_test",
     size = "medium",
     srcs = ["callbacks_test.py"],
-    python_version = "PY3",
     shard_count = 6,
     tags = [
         "no_pip",  # TODO(b/276923757)
@@ -315,7 +298,6 @@ tf_py_test(
     name = "callbacks_v1_test",
     size = "medium",
     srcs = ["callbacks_v1_test.py"],
-    python_version = "PY3",
     tags = [
         "nomac",  # Using profiler causes segfault in MacOS runs.
         "notsan",
@@ -338,7 +320,6 @@ tf_py_test(
     name = "backend_test",
     size = "medium",
     srcs = ["backend_test.py"],
-    python_version = "PY3",
     shard_count = 4,
     deps = [
         ":backend",
@@ -355,7 +336,6 @@ tf_py_test(
     name = "backend_config_test",
     size = "medium",
     srcs = ["backend_config_test.py"],
-    python_version = "PY3",
     deps = [
         ":backend",
         ":backend_config",
@@ -368,7 +348,6 @@ tf_py_test(
 # tf_py_test(
 #     name = "url_utils_test",
 #     srcs = ["google/url_utils_test.py"],
-#     python_version = "PY3",
 #     deps = [
 #         ":url_utils",
 #         "//:expect_tensorflow_installed",
@@ -379,7 +358,6 @@ tf_py_test(
 # tf_py_test(
 #     name = "distribute_utils_test",
 #     srcs = ["google/distribute_utils_test.py"],
-#     python_version = "PY3",
 #     deps = [
 #         ":distribute_utils",
 #         "//:expect_tensorflow_installed",

tf_keras/api/BUILD

@@ -23,7 +23,6 @@ py_library(
         ":tf_keras_python_api_gen_compat_v1",
         ":tf_keras_python_api_gen_compat_v2",
     ],
-    srcs_version = "PY3",
     visibility = ["//visibility:public"],
     deps = [
         "//:expect_tensorflow_installed",

tf_keras/api/tests/BUILD

@@ -22,8 +22,6 @@ tf_py_test(
         "//tf_keras/api/tests:API_UPDATE_WARNING.txt",
         "//tf_keras/api/tests:README.txt",
     ],
-    python_version = "PY3",
-    srcs_version = "PY3",
     tags = [
         "no_oss",  # TODO(scottzhu): Fix this in OSS test.
         "no_pip",

tf_keras/applications/BUILD

@@ -36,7 +36,6 @@ py_library(
         "vgg19.py",
         "xception.py",
     ],
-    srcs_version = "PY3",
     visibility = ["//visibility:public"],
     deps = [
         "//:expect_numpy_installed",

tf_keras/benchmarks/BUILD

@@ -28,7 +28,6 @@ package(
 # Add all benchmarks related utils here for pip testing dependencies.
 py_library(
     name = "keras_benchmark_lib_pip",
-    srcs_version = "PY3",
     deps = [
         ":benchmark_util",
         ":distribution_util",
@@ -39,7 +38,6 @@ py_library(
 # This lib is mainly for running benchmarks on mlcompass infra.
 py_library(
     name = "profiler_lib",
-    srcs_version = "PY3",
     visibility = [
         "//learning/brain/contrib/keras_benchmark:__subpackages__",
         "//tf_keras:friends",
@@ -55,7 +53,6 @@ py_test(
     name = "keras_cpu_benchmark_test",
     size = "large",
     srcs = ["keras_cpu_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         ":benchmark_util",
@@ -70,7 +67,6 @@ cuda_py_test(
     name = "eager_microbenchmarks_test",
     size = "medium",
     srcs = ["eager_microbenchmarks_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS + [
         "no_oss_py38",  # TODO(b/162044699)
     ],
@@ -85,7 +81,6 @@ cuda_py_test(
 cuda_py_test(
     name = "model_components_benchmarks_test",
     srcs = ["model_components_benchmarks_test.py"],
-    python_version = "PY3",
     deps = [
         ":profiler_lib",
         "//:expect_tensorflow_installed",
@@ -96,7 +91,6 @@ cuda_py_test(
 py_library(
     name = "benchmark_util",
     srcs = ["benchmark_util.py"],
-    srcs_version = "PY3",
     deps = [
         ":distribution_util",
         "//:expect_numpy_installed",
@@ -108,7 +102,6 @@ py_library(
 py_test(
     name = "benchmark_util_test",
     srcs = ["benchmark_util_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         ":benchmark_util",
@@ -120,7 +113,6 @@ py_test(
 py_library(
     name = "distribution_util",
     srcs = ["distribution_util.py"],
-    srcs_version = "PY3",
     deps = [
         "//:expect_tensorflow_installed",
     ],
@@ -129,7 +121,6 @@ py_library(
 py_test(
     name = "optimizer_benchmarks_test",
     srcs = ["optimizer_benchmarks_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS + [
         "no_oss_py38",  # TODO(b/162044699)
     ],
@@ -152,15 +143,13 @@ py_test(
 py_binary(
     name = "model_memory_profile",
     srcs = ["model_memory_profile.py"],
-    python_version = "PY3",
     tags = ["no_oss"],
     deps = ["//:expect_tensorflow_installed"],
 )
 
 py_test(
     name = "metrics_memory_benchmark_test",
     srcs = ["metrics_memory_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         "//:expect_numpy_installed",

tf_keras/benchmarks/keras_examples_benchmarks/BUILD

@@ -30,7 +30,6 @@ COMMON_TAGS = [
 cuda_py_test(
     name = "bidirectional_lstm_benchmark_test",
     srcs = ["bidirectional_lstm_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         "//:expect_tensorflow_installed",
@@ -43,7 +42,6 @@ cuda_py_test(
 cuda_py_test(
     name = "text_classification_transformer_benchmark_test",
     srcs = ["text_classification_transformer_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         "//:expect_tensorflow_installed",
@@ -56,7 +54,6 @@ cuda_py_test(
 cuda_py_test(
     name = "antirectifier_benchmark_test",
     srcs = ["antirectifier_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         "//:expect_tensorflow_installed",
@@ -69,7 +66,6 @@ cuda_py_test(
 cuda_py_test(
     name = "mnist_conv_benchmark_test",
     srcs = ["mnist_conv_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         "//:expect_numpy_installed",
@@ -83,7 +79,6 @@ cuda_py_test(
 cuda_py_test(
     name = "mnist_hierarchical_rnn_benchmark_test",
     srcs = ["mnist_hierarchical_rnn_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         "//:expect_tensorflow_installed",
@@ -96,7 +91,6 @@ cuda_py_test(
 cuda_py_test(
     name = "mnist_irnn_benchmark_test",
     srcs = ["mnist_irnn_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         "//:expect_tensorflow_installed",
@@ -109,7 +103,6 @@ cuda_py_test(
 cuda_py_test(
     name = "reuters_mlp_benchmark_test",
     srcs = ["reuters_mlp_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         "//:expect_numpy_installed",
@@ -123,7 +116,6 @@ cuda_py_test(
 cuda_py_test(
     name = "cifar10_cnn_benchmark_test",
     srcs = ["cifar10_cnn_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         "//:expect_tensorflow_installed",
@@ -136,7 +128,6 @@ cuda_py_test(
 cuda_py_test(
     name = "mnist_conv_custom_training_benchmark_test",
     srcs = ["mnist_conv_custom_training_benchmark_test.py"],
-    python_version = "PY3",
     tags = COMMON_TAGS,
     deps = [
         "//:expect_tensorflow_installed",

tf_keras/benchmarks/layer_benchmarks/BUILD

@@ -36,14 +36,12 @@ BECHMARK_TAGS = [
 py_library(
     name = "run_xprof",
     srcs = ["run_xprof.py"],
-    srcs_version = "PY3",
     visibility = ["//visibility:private"],
 )
 
 py_library(
     name = "layer_benchmarks_test_base",
     srcs = ["layer_benchmarks_test_base.py"],
-    srcs_version = "PY3",
     visibility = ["//visibility:private"],
     deps = [
         ":run_xprof",
@@ -55,7 +53,6 @@ py_library(
 tf_py_test(
     name = "layer_benchmarks_test",
     srcs = ["layer_benchmarks_test.py"],
-    python_version = "PY3",
     tags = BECHMARK_TAGS,
     deps = [
         ":layer_benchmarks_test_base",

tf_keras/benchmarks/saved_model_benchmarks/BUILD

@@ -26,7 +26,6 @@ package(
 py_library(
     name = "saved_model_benchmark_util",
     srcs = ["saved_model_benchmark_util.py"],
-    srcs_version = "PY3",
     deps = [
         "//:expect_tensorflow_installed",
         "//tf_keras/benchmarks:profiler_lib",

tf_keras/datasets/BUILD

@@ -24,7 +24,6 @@ py_library(
         "mnist.py",
         "reuters.py",
     ],
-    srcs_version = "PY3",
     visibility = ["//visibility:public"],
     deps = [
         "//:expect_numpy_installed",