Update imports to `tractor.msg.NamespacePath`

piker/fsp/_api.py

@@ -35,7 +35,7 @@ from typing import (
 
 import numpy as np
 import tractor
-from tractor._portal import NamespacePath
+from tractor.msg import NamespacePath
 
 from ..data._sharedmem import (
     ShmArray,

piker/fsp/_engine.py

@@ -27,7 +27,7 @@ import pyqtgraph as pg
 import trio
 from trio_typing import TaskStatus
 import tractor
-from tractor._portal import NamespacePath
+from tractor.msg import NamespacePath
 
 from ..log import get_logger, get_console_log
 from .. import data