rules_python_any_version_wheel.patch

diff --git experimental/python/wheel.bzl experimental/python/wheel.bzl
index 9cd6534..7802d42 100644
--- experimental/python/wheel.bzl
+++ experimental/python/wheel.bzl
@@ -85,7 +85,7 @@ def _py_wheel_impl(ctx):
     outfile = ctx.actions.declare_file("-".join([
         ctx.attr.distribution,
         ctx.attr.version,
-        ctx.attr.python_tag,
+        ".".join(ctx.attr.python_tag),
         ctx.attr.abi,
         ctx.attr.platform,
     ]) + ".whl")
@@ -101,7 +101,7 @@ def _py_wheel_impl(ctx):
     args = ctx.actions.args()
     args.add("--name", ctx.attr.distribution)
     args.add("--version", ctx.attr.version)
-    args.add("--python_tag", ctx.attr.python_tag)
+    args.add_all(ctx.attr.python_tag, format_each = "--python_tag=%s")
     args.add("--abi", ctx.attr.abi)
     args.add("--platform", ctx.attr.platform)
     args.add("--out", outfile.path)
@@ -177,10 +177,9 @@ refer to the package in other packages' dependencies.
         default = "any",
         doc = "Supported platforms. 'any' for pure-Python wheel.",
     ),
-    "python_tag": attr.string(
-        default = "py3",
-        doc = "Supported Python major version. 'py2' or 'py3'",
-        values = ["py2", "py3"],
+    "python_tag": attr.string_list(
+        default = ["py3"],
+        doc = "Supported Python major version. 'py2' and/or 'py3'",
     ),
     "version": attr.string(
         mandatory = True,