Fix messaging imports

Signed-off-by: Marcus G K Williams <Marcus G K Williams 168222+mgkwill@users.noreply.github.com>

src/lava/magma/compiler/executable.py

@@ -8,7 +8,8 @@
 from dataclasses import dataclass
 
 from lava.magma.compiler.builders.interfaces import AbstractChannelBuilder
-from lava.magma.compiler.channels.watchdog import WatchdogManagerBuilder
+from lava.magma.runtime.message_infrastructure.watchdog import \
+    WatchdogManagerBuilder
 from lava.magma.core.sync.domain import SyncDomain
 
 if ty.TYPE_CHECKING:

src/lava/magma/runtime/message_infrastructure/nx.py

@@ -4,15 +4,16 @@
 
 import typing as ty
 
-from lava.magma.compiler.channels.interfaces import ChannelType
+from lava.magma.runtime.message_infrastructure.interfaces import \
+    ChannelType
 from lava.magma.core.sync.domain import SyncDomain
 from lava.magma.runtime.message_infrastructure \
     .message_infrastructure_interface import \
     MessageInfrastructureInterface
 from lava.magma.runtime.message_infrastructure import Channel
 try:
-    from lava.magma.compiler.channels.nccchannel import NcCChannel
-    from lava.magma.compiler.channels.cncchannel import CNcChannel
+    from lava.magma.runtime.message_infrastructure.nccchannel import NcCChannel
+    from lava.magma.runtime.message_infrastructure.cncchannel import CNcChannel
 except ImportError:
     class CNcChannel:
         pass

src/lava/magma/runtime/message_infrastructure/py_multiprocessing.py

@@ -20,7 +20,7 @@
 )
 
 try:
-    from lava.magma.compiler.channels.cpychannel import \
+    from lava.magma.runtime.message_infrastructure.cpychannel import \
         CPyChannel, PyCChannel
 except ImportError:
     class CPyChannel:

src/lava/magma/runtime/message_infrastructure/pypychannel.py

@@ -10,7 +10,8 @@
 from time import time
 from scipy.sparse import csr_matrix
 from lava.utils.sparse import find
-from lava.magma.compiler.channels.watchdog import Watchdog, NoOPWatchdog
+from lava.magma.runtime.message_infrastructure.watchdog import \
+    Watchdog, NoOPWatchdog
 
 
 import numpy as np

src/lava/magma/runtime/runtime.py

@@ -41,14 +41,15 @@
 from lava.magma.compiler.builders.py_builder import PyProcessBuilder
 from lava.magma.compiler.builders.runtimeservice_builder import \
     RuntimeServiceBuilder
-from lava.magma.compiler.channels.interfaces import AbstractCspPort, Channel, \
-    ChannelType
+from lava.magma.runtime.message_infrastructure.interfaces import \
+    Channel, ChannelType
 from lava.magma.compiler.executable import Executable
 from lava.magma.compiler.node import NodeConfig
 from lava.magma.core.process.ports.ports import create_port_id
 from lava.magma.core.run_conditions import (AbstractRunCondition,
                                             RunContinuous, RunSteps)
-from lava.magma.compiler.channels.watchdog import WatchdogManagerInterface
+from lava.magma.runtime.message_infrastructure.watchdog import \
+    WatchdogManagerInterface
 
 """Defines a Runtime which takes a lava executable and a pluggable message
 passing infrastructure (for instance multiprocessing+shared memory or ray in