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

PiperOrigin-RevId: 721416057

Author: tfx-copybara

struct2tensor/BUILD

@@ -37,7 +37,6 @@ s2t_pytype_library(
     srcs = [
         "__init__.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         ":calculate_options",
         ":expression",
@@ -55,7 +54,6 @@ s2t_pytype_library(
     srcs = [
         "expression_impl/__init__.py",
     ],
-    srcs_version = "PY2AND3",
     deps = [
         ":calculate_options",
         ":expression",
@@ -84,7 +82,6 @@ s2t_pytype_library(
     srcs = [
         "path.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         "@com_github_tensorflow_metadata//tensorflow_metadata/proto/v0:py_metadata_v0_proto_py",
         "@com_google_protobuf//:protobuf_python",
@@ -100,7 +97,6 @@ s2t_pytype_library(
         "prensor_util.py",
         "prensor_value.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         ":calculate_options",
         ":path",
@@ -117,7 +113,6 @@ s2t_pytype_library(
     srcs = [
         "calculate_options.py",
     ],
-    srcs_version = "PY3ONLY",
 )
 
 # Note: do not separate these, as eventually we want to make sure that they
@@ -146,7 +141,6 @@ s2t_pytype_library(
         "expression_impl/size.py",
         "expression_impl/slice_expression.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         ":calculate_options",
         ":path",
@@ -163,7 +157,6 @@ s2t_pytype_library(
     srcs = [
         "expression_impl/map_prensor_to_prensor.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         ":expression",
         ":path",
@@ -176,7 +169,6 @@ s2t_pytype_library(
     srcs = [
         "expression_impl/placeholder.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         ":expression",
         ":map_prensor_to_prensor",
@@ -190,7 +182,6 @@ s2t_pytype_library(
     srcs = [
         "expression_impl/parquet.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         ":expression",
         ":map_prensor_to_prensor",
@@ -207,7 +198,6 @@ s2t_pytype_library(
     srcs = [
         "expression_impl/proto_test_util.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         ":expression",
         "//struct2tensor/test:test_py_pb2",
@@ -220,7 +210,6 @@ s2t_pytype_library(
     srcs = [
         "prensor_to_structured_tensor.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         ":path",
         ":prensor",
@@ -232,7 +221,6 @@ s2t_pytype_library(
     srcs = [
         "structured_tensor_to_prensor.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         ":path",
         ":prensor",

struct2tensor/benchmarks/BUILD

@@ -75,15 +75,13 @@ py_test(
     # Follow the instructions in the file to properly run the benchmark.
     args = ["--test_mode"],
     main = "struct2tensor_benchmark.py",
-    python_version = "PY3",
     shard_count = 4,
     deps = [":struct2tensor_benchmark_lib"],
 )
 
 py_binary(
     name = "struct2tensor_benchmark",
     srcs = ["struct2tensor_benchmark.py"],
-    python_version = "PY3",
     deps = [
         ":struct2tensor_benchmark_lib",
     ],
@@ -96,15 +94,13 @@ py_test(
     # Follow the instructions in the file to properly run the benchmark.
     args = ["--test_mode"],
     main = "ops_benchmark.py",
-    python_version = "PY3",
     # shard_count = 4,
     deps = [":struct2tensor_benchmark_lib"],
 )
 
 py_binary(
     name = "ops_benchmark",
     srcs = ["ops_benchmark.py"],
-    python_version = "PY3",
     deps = [
         ":struct2tensor_benchmark_lib",
     ],
@@ -113,7 +109,6 @@ py_binary(
 py_library(
     name = "struct2tensor_benchmark_util",
     srcs = ["struct2tensor_benchmark_util.py"],
-    srcs_version = "PY3ONLY",
     deps = [
         "//file/colossus/public:cns",
         "//third_party/py/cpuinfo",

struct2tensor/test/BUILD

@@ -109,7 +109,6 @@ s2t_pytype_library(
     srcs = [
         "expression_test_util.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         "//struct2tensor:expression",
         "//struct2tensor:path",
@@ -122,7 +121,6 @@ s2t_pytype_library(
     srcs = [
         "prensor_test_util.py",
     ],
-    srcs_version = "PY3ONLY",
     deps = [
         "//struct2tensor:expression",
         "//struct2tensor:path",

struct2tensor/tools/BUILD

@@ -24,7 +24,6 @@ package(
 py_library(
     name = "build_docs_lib",
     srcs = ["build_docs.py"],
-    srcs_version = "PY3",
     deps = [
         "//struct2tensor",
         "//struct2tensor:struct2tensor_expression_impl",
@@ -39,7 +38,6 @@ py_library(
 py_binary(
     name = "build_docs",
     srcs = ["build_docs.py"],
-    python_version = "PY3",
     deps = [
         ":build_docs_lib",
     ],