diff --git a/setup.py b/setup.py
index 612f4d57..ac3e94b6 100755
--- a/setup.py
+++ b/setup.py
@@ -75,7 +75,7 @@ setup(
 
     ],
     tests_require=['pytest'],
-    python_requires=">=3.10",
+    python_requires=">=3.11",
     keywords=[
         'trio',
         'async',
diff --git a/tests/test_debugger.py b/tests/test_debugger.py
index f665d850..25f6dad2 100644
--- a/tests/test_debugger.py
+++ b/tests/test_debugger.py
@@ -26,7 +26,7 @@ from pexpect.exceptions import (
 from tractor._testing import (
     examples_dir,
 )
-from conftest import (
+from .conftest import (
     _ci_env,
 )
 
diff --git a/tests/test_multi_program.py b/tests/test_multi_program.py
index 0b6b5baf..92f4c52d 100644
--- a/tests/test_multi_program.py
+++ b/tests/test_multi_program.py
@@ -10,7 +10,7 @@ import tractor
 from tractor._testing import (
     tractor_test,
 )
-from conftest import (
+from .conftest import (
     sig_prog,
     _INT_SIGNAL,
     _INT_RETURN_CODE,
diff --git a/tractor/__init__.py b/tractor/__init__.py
index 64c81e99..7af40c6e 100644
--- a/tractor/__init__.py
+++ b/tractor/__init__.py
@@ -18,8 +18,6 @@
 tractor: structured concurrent ``trio``-"actors".
 
 """
-from exceptiongroup import BaseExceptionGroup
-
 from ._clustering import open_actor_cluster
 from ._ipc import Channel
 from ._context import (
diff --git a/tractor/_context.py b/tractor/_context.py
index 11975bae..50f7bfa5 100644
--- a/tractor/_context.py
+++ b/tractor/_context.py
@@ -313,7 +313,7 @@ async def _drain_to_final_msg(
                 log.critical('SHOULD NEVER GET HERE!?')
                 assert msg is ctx._cancel_msg
                 assert error.msgdata == ctx._remote_error.msgdata
-                from .devx._debug import pause
+                from ._debug import pause
                 await pause()
                 ctx._maybe_cancel_and_set_remote_error(error)
                 ctx._maybe_raise_remote_err(error)
@@ -2199,12 +2199,12 @@ async def open_context_from_portal(
             #     pass
             # TODO: factor ^ into below for non-root cases?
             #
-            from .devx import maybe_wait_for_debugger
+            from ._debug import maybe_wait_for_debugger
             was_acquired: bool = await maybe_wait_for_debugger(
-                header_msg=(
-                    'Delaying `ctx.cancel()` until debug lock '
-                    'acquired..\n'
-                ),
+                # header_msg=(
+                #     'Delaying `ctx.cancel()` until debug lock '
+                #     'acquired..\n'
+                # ),
             )
             if was_acquired:
                 log.pdb(
@@ -2310,7 +2310,7 @@ async def open_context_from_portal(
         # where the root is waiting on the lock to clear but the
         # child has already cleared it and clobbered IPC.
         if debug_mode():
-            from .devx import maybe_wait_for_debugger
+            from ._debug import maybe_wait_for_debugger
             await maybe_wait_for_debugger()
 
         # though it should be impossible for any tasks
diff --git a/tractor/_rpc.py b/tractor/_rpc.py
index 6bdc0c6b..47548106 100644
--- a/tractor/_rpc.py
+++ b/tractor/_rpc.py
@@ -55,15 +55,10 @@ from ._exceptions import (
     unpack_error,
     TransportClosed,
 )
-from .devx import (
-    # pause,
-    maybe_wait_for_debugger,
-    _debug,
-)
+from . import _debug
 from . import _state
 from .log import get_logger
 
-
 if TYPE_CHECKING:
     from ._runtime import Actor
 
@@ -651,7 +646,7 @@ async def _invoke(
 
             # don't pop the local context until we know the
             # associated child isn't in debug any more
-            await maybe_wait_for_debugger()
+            await _debug.maybe_wait_for_debugger()
             ctx: Context = actor._contexts.pop((
                 chan.uid,
                 cid,
diff --git a/tractor/_runtime.py b/tractor/_runtime.py
index d1f8fc48..cc8eaf5f 100644
--- a/tractor/_runtime.py
+++ b/tractor/_runtime.py
@@ -1318,7 +1318,6 @@ class Actor:
             log.runtime("Shutting down channel server")
             self._server_n.cancel_scope.cancel()
 
-    @property
     @property
     def accept_addr(self) -> tuple[str, int]:
         '''