Use `import <name> as <name>,` style over `__all__` in pkg mod

tractor/__init__.py

@@ -18,76 +18,49 @@
 tractor: structured concurrent ``trio``-"actors".
 
 """
-from exceptiongroup import BaseExceptionGroup
+from exceptiongroup import BaseExceptionGroup as BaseExceptionGroup
 
-from ._clustering import open_actor_cluster
+from ._clustering import (
+    open_actor_cluster as open_actor_cluster,
+)
 from ._context import (
-    Context,  # the type
-    context,  # a func-decorator
+    Context as Context,  # the type
+    context as context,  # a func-decorator
 )
 from ._streaming import (
-    MsgStream,
-    stream,
+    MsgStream as MsgStream,
+    stream as stream,
 )
 from ._discovery import (
-    get_arbiter,
-    find_actor,
-    wait_for_actor,
-    query_actor,
+    get_arbiter as get_arbiter,
+    find_actor as find_actor,
+    wait_for_actor as wait_for_actor,
+    query_actor as query_actor,
+)
+from ._supervise import (
+    open_nursery as open_nursery,
+    ActorNursery as ActorNursery,
 )
-from ._supervise import open_nursery
 from ._state import (
-    current_actor,
-    is_root_process,
+    current_actor as current_actor,
+    is_root_process as is_root_process,
 )
 from ._exceptions import (
-    RemoteActorError,
-    ModuleNotExposed,
-    ContextCancelled,
+    RemoteActorError as RemoteActorError,
+    ModuleNotExposed as ModuleNotExposed,
+    ContextCancelled as ContextCancelled,
 )
 from .devx import (
-    breakpoint,
-    pause,
-    pause_from_sync,
-    post_mortem,
+    breakpoint as breakpoint,
+    pause as pause,
+    pause_from_sync as pause_from_sync,
+    post_mortem as post_mortem,
 )
-from . import msg
+from . import msg as msg
 from ._root import (
-    run_daemon,
-    open_root_actor,
+    run_daemon as run_daemon,
+    open_root_actor as open_root_actor,
 )
-from ._ipc import Channel
-from ._portal import Portal
-from ._runtime import Actor
-
-
-__all__ = [
-    'Actor',
-    'BaseExceptionGroup',
-    'Channel',
-    'Context',
-    'ContextCancelled',
-    'ModuleNotExposed',
-    'MsgStream',
-    'Portal',
-    'RemoteActorError',
-    'breakpoint',
-    'context',
-    'current_actor',
-    'find_actor',
-    'query_actor',
-    'get_arbiter',
-    'is_root_process',
-    'msg',
-    'open_actor_cluster',
-    'open_nursery',
-    'open_root_actor',
-    'pause',
-    'post_mortem',
-    'pause_from_sync',
-    'query_actor',
-    'run_daemon',
-    'stream',
-    'to_asyncio',
-    'wait_for_actor',
-]
+from ._ipc import Channel as Channel
+from ._portal import Portal as Portal
+from ._runtime import Actor as Actor