[GR-48911] Remove explicit export of argparse.Action

PullRequest: mx/1777

src/mx/_impl/mx.py

@@ -311,6 +311,7 @@
     "main",
     "version",
     "JavaCompliance", # Re-export from mx_javacompliance
+    "webserver", # Re-export from mx_webserver
 ]
 
 import sys
@@ -18146,7 +18147,7 @@ def alarm_handler(signum, frame):
 _CACHE_DIR = get_env('MX_CACHE_DIR', join(dot_mx_dir(), 'cache'))
 
 # The version must be updated for every PR (checked in CI) and the comment should reflect the PR's issue
-version = VersionSpec("7.21.0")  # [GR-53335] Fix arguments parsing in mx intellijinit
+version = VersionSpec("7.21.1")  # [GR-51531] Fix more accesses to indirect mx imports
 
 _mx_start_datetime = datetime.utcnow()
 

src/mx/_impl/mx_compat.py

@@ -160,7 +160,7 @@ def __repr__(self):
 
     def jarsUseJDKDiscriminant(self):
         """
-        Should `mx.JARDistribution` use the jdk version used for the build as a `Dependency._extra_artifact_discriminant`
+        Should `mx_jardistribution.JARDistribution` use the jdk version used for the build as a `Dependency._extra_artifact_discriminant`
         to avoid collisions of build artifacts when building with different JAVA_HOME/EXTRA_JAVA_HOMES settings.
         """
         return False

src/mx_unittest.py

@@ -42,10 +42,7 @@
 
 from mx._impl.mx_unittest import __all__ as _unittest_symbols
 
-# TODO: [GR-48911] Users should rather use argparse.Action
-__legacy__ = ["Action"]
-
-__all__ = _unittest_symbols + __legacy__
+__all__ = _unittest_symbols
 
 _redirect(
     __name__,