Merge pull request #912 from YifeiZhuang/fix-build-python

fix bazel build with python dependency

Author: k8s-ci-robot

WORKSPACE

@@ -3,6 +3,22 @@ workspace(name = "io_k8s_cloud_provider_gcp")
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
 
+http_archive(
+    name = "rules_python",
+    sha256 = "c03246c11efd49266e8e41e12931090b613e12a59e6f55ba2efd29a7cb8b4258",
+    strip_prefix = "rules_python-0.11.0",
+    url = "https://github.com/bazelbuild/rules_python/archive/refs/tags/0.11.0.tar.gz",
+)
+
+load("@rules_python//python:repositories.bzl", "python_register_toolchains")
+
+python_register_toolchains(
+    name = "python_3_9",
+    # Available versions are listed in @rules_python//python:versions.bzl.
+    ignore_root_user_error = True,
+    python_version = "3.9",
+)
+
 http_archive(
     name = "io_bazel_rules_go",
     sha256 = "b2038e2de2cace18f032249cb4bb0048abf583a36369fa98f687af1b3f880b26",