Flip --incompatible_remove_old_python_version_api
With this flag enabled by default, it is no longer allowed to set the `default_python_version` attribute or `--force_python` flag; use the `python_version` attribute and `--python_version` flag respectively instead.
For more information see feature tracking issue #6583 and flag migration tracking issue #7308.
Closes #7308.
TESTED=https://buildkite.com/bazel/bazelisk-plus-incompatible-flags/builds/51
RELNOTES[INC]: (Python rules) The `default_python_version` attribute of the `py_binary` and `py_test` rules has been renamed to `python_version`. Also, the `--force_python` flag has been renamed to `--python_version`. See [#7308](https://github.com/bazelbuild/bazel/issues/7308) for more information.
PiperOrigin-RevId: 239600472
diff --git a/src/main/java/com/google/devtools/build/lib/rules/python/PythonOptions.java b/src/main/java/com/google/devtools/build/lib/rules/python/PythonOptions.java
index 8c7055e..e2c5ef4 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/python/PythonOptions.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/python/PythonOptions.java
@@ -71,7 +71,7 @@
@Option(
name = "incompatible_remove_old_python_version_api",
- defaultValue = "false",
+ defaultValue = "true",
documentationCategory = OptionDocumentationCategory.STARLARK_SEMANTICS,
effectTags = {OptionEffectTag.LOADING_AND_ANALYSIS},
metadataTags = {
