diff --git a/python/adapters/openolt/main.py b/python/adapters/openolt/main.py
index 3af6421..083a167 100755
--- a/python/adapters/openolt/main.py
+++ b/python/adapters/openolt/main.py
@@ -29,22 +29,22 @@
 from twisted.internet.task import LoopingCall
 from zope.interface import implementer
 
-from voltha.common.structlog_setup import setup_logging, update_logging
-from voltha.common.utils.asleep import asleep
-from voltha.common.utils.deferred_utils import TimeOutError
-from voltha.common.utils.dockerhelpers import get_my_containers_name
-from voltha.common.utils.nethelpers import get_my_primary_local_ipv4, \
+from pyvoltha.common.structlog_setup import setup_logging, update_logging
+from pyvoltha.common.utils.asleep import asleep
+from pyvoltha.common.utils.deferred_utils import TimeOutError
+from pyvoltha.common.utils.dockerhelpers import get_my_containers_name
+from pyvoltha.common.utils.nethelpers import get_my_primary_local_ipv4, \
     get_my_primary_interface
-from voltha.common.utils.registry import registry, IComponent
-from voltha.adapters.kafka.adapter_proxy import AdapterProxy
-from voltha.adapters.kafka.adapter_request_facade import AdapterRequestFacade
-from voltha.adapters.kafka.core_proxy import CoreProxy
-from voltha.adapters.kafka.kafka_inter_container_library import IKafkaMessagingProxy, \
+from pyvoltha.common.utils.registry import registry, IComponent
+from pyvoltha.adapters.kafka.adapter_proxy import AdapterProxy
+from pyvoltha.adapters.kafka.adapter_request_facade import AdapterRequestFacade
+from pyvoltha.adapters.kafka.core_proxy import CoreProxy
+from pyvoltha.adapters.kafka.kafka_inter_container_library import IKafkaMessagingProxy, \
     get_messaging_proxy
-from voltha.adapters.kafka.kafka_proxy import KafkaProxy, get_kafka_proxy
+from pyvoltha.adapters.kafka.kafka_proxy import KafkaProxy, get_kafka_proxy
 from openolt import OpenoltAdapter
-from voltha.protos import third_party
-from voltha.protos.adapter_pb2 import AdapterConfig
+from pyvoltha.protos import third_party
+from pyvoltha.protos.adapter_pb2 import AdapterConfig
 
 _ = third_party
 
diff --git a/python/adapters/openolt/openolt.py b/python/adapters/openolt/openolt.py
index 3a410ae..aaeff9f 100644
--- a/python/adapters/openolt/openolt.py
+++ b/python/adapters/openolt/openolt.py
@@ -32,22 +32,22 @@
 from twisted.internet.defer import inlineCallbacks, returnValue
 from twisted.internet.task import LoopingCall
 
-from voltha.adapters.common.frameio.frameio import BpfProgramFilter, hexify
-from voltha.adapters.iadapter import OltAdapter
-from voltha.common.utils.asleep import asleep
-from voltha.common.utils.registry import registry
-from voltha.adapters.kafka.kafka_proxy import get_kafka_proxy
-from voltha.protos import openolt_pb2
-from voltha.protos import third_party
-from voltha.protos.common_pb2 import OperStatus, ConnectStatus
-from voltha.protos.common_pb2 import LogLevel
-from voltha.protos.common_pb2 import OperationResp
-from voltha.protos.inter_container_pb2 import SwitchCapability, PortCapability, \
+from pyvoltha.adapters.common.frameio.frameio import BpfProgramFilter, hexify
+from pyvoltha.adapters.iadapter import OltAdapter
+from pyvoltha.common.utils.asleep import asleep
+from pyvoltha.common.utils.registry import registry
+from pyvoltha.adapters.kafka.kafka_proxy import get_kafka_proxy
+from pyvoltha.protos import openolt_pb2
+from pyvoltha.protos import third_party
+from pyvoltha.protos.common_pb2 import OperStatus, ConnectStatus
+from pyvoltha.protos.common_pb2 import LogLevel
+from pyvoltha.protos.common_pb2 import OperationResp
+from pyvoltha.protos.inter_container_pb2 import SwitchCapability, PortCapability, \
     InterAdapterMessageType, InterAdapterResponseBody
-from voltha.protos.device_pb2 import Port, PmConfig, PmConfigs, \
+from pyvoltha.protos.device_pb2 import Port, PmConfig, PmConfigs, \
     DeviceType, DeviceTypes
-from voltha.protos.adapter_pb2 import Adapter
-from voltha.protos.adapter_pb2 import AdapterConfig
+from pyvoltha.protos.adapter_pb2 import Adapter
+from pyvoltha.protos.adapter_pb2 import AdapterConfig
 from voltha.adapters.openolt.openolt_flow_mgr import OpenOltFlowMgr
 from voltha.adapters.openolt.openolt_alarms import OpenOltAlarmMgr
 from voltha.adapters.openolt.openolt_statistics import OpenOltStatisticsMgr
@@ -56,14 +56,13 @@
 from voltha.adapters.openolt.openolt_resource_manager import OpenOltResourceMgr
 from voltha.adapters.openolt.openolt_device import OpenoltDevice
  
-from voltha.protos.events_pb2 import KpiEvent, KpiEventType, MetricValuePairs
-from voltha.protos.logical_device_pb2 import LogicalPort
-from voltha.protos.openflow_13_pb2 import OFPPS_LIVE, OFPPF_FIBER, \
+from pyvoltha.protos.events_pb2 import KpiEvent, KpiEventType, MetricValuePairs
+from pyvoltha.protos.logical_device_pb2 import LogicalPort
+from pyvoltha.protos.openflow_13_pb2 import OFPPS_LIVE, OFPPF_FIBER, \
     OFPPF_1GB_FD, \
     OFPC_GROUP_STATS, OFPC_PORT_STATS, OFPC_TABLE_STATS, OFPC_FLOW_STATS, \
     ofp_switch_features, ofp_desc
-from voltha.protos.openflow_13_pb2 import ofp_port
-from voltha.protos.ponsim_pb2 import FlowTable, PonSimFrame, PonSimMetricsRequest, PonSimStub
+from pyvoltha.protos.openflow_13_pb2 import ofp_port
 
 _ = third_party
 log = structlog.get_logger()
diff --git a/python/adapters/openolt/openolt_alarms.py b/python/adapters/openolt/openolt_alarms.py
index aa227d3..ad6fd99 100644
--- a/python/adapters/openolt/openolt_alarms.py
+++ b/python/adapters/openolt/openolt_alarms.py
@@ -15,23 +15,23 @@
 #
 
 import arrow
-from voltha.extensions.alarms.adapter_alarms import AdapterAlarms
-from voltha.extensions.alarms.simulator.simulate_alarms import AdapterAlarmSimulator
-from voltha.extensions.alarms.olt.olt_los_alarm import OltLosAlarm
-from voltha.extensions.alarms.onu.onu_dying_gasp_alarm import OnuDyingGaspAlarm
-from voltha.extensions.alarms.onu.onu_los_alarm import OnuLosAlarm
-from voltha.extensions.alarms.onu.onu_lopc_miss_alarm import OnuLopcMissAlarm
-from voltha.extensions.alarms.onu.onu_lopc_mic_error_alarm import OnuLopcMicErrorAlarm
-from voltha.extensions.alarms.onu.onu_lob_alarm import OnuLobAlarm
+from pyvoltha.adapters.extensions.alarms.adapter_alarms import AdapterAlarms
+from pyvoltha.adapters.extensions.alarms.simulator.simulate_alarms import AdapterAlarmSimulator
+from pyvoltha.adapters.extensions.alarms.olt.olt_los_alarm import OltLosAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_dying_gasp_alarm import OnuDyingGaspAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_los_alarm import OnuLosAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_lopc_miss_alarm import OnuLopcMissAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_lopc_mic_error_alarm import OnuLopcMicErrorAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_lob_alarm import OnuLobAlarm
 
-from voltha.extensions.alarms.onu.onu_startup_alarm import OnuStartupAlarm
-from voltha.extensions.alarms.onu.onu_signal_degrade_alarm import OnuSignalDegradeAlarm
-from voltha.extensions.alarms.onu.onu_signal_fail_alarm import OnuSignalFailAlarm
-from voltha.extensions.alarms.onu.onu_window_drift_alarm import OnuWindowDriftAlarm
-from voltha.extensions.alarms.onu.onu_activation_fail_alarm import OnuActivationFailAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_startup_alarm import OnuStartupAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_signal_degrade_alarm import OnuSignalDegradeAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_signal_fail_alarm import OnuSignalFailAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_window_drift_alarm import OnuWindowDriftAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_activation_fail_alarm import OnuActivationFailAlarm
 
-import voltha.protos.openolt_pb2 as openolt_pb2
-import voltha.protos.device_pb2 as device_pb2
+import pyvoltha.protos.openolt_pb2 as openolt_pb2
+import pyvoltha.protos.device_pb2 as device_pb2
 
 
 class OpenOltAlarmMgr(object):
diff --git a/python/adapters/openolt/openolt_device.py b/python/adapters/openolt/openolt_device.py
index d3080ba..29df184 100644
--- a/python/adapters/openolt/openolt_device.py
+++ b/python/adapters/openolt/openolt_device.py
@@ -24,23 +24,22 @@
 from scapy.layers.l2 import Ether, Dot1Q
 from transitions import Machine
 
-from voltha.protos import openolt_pb2_grpc, openolt_pb2
+from pyvoltha.protos import openolt_pb2_grpc, openolt_pb2
 
-from voltha.extensions.alarms.onu.onu_discovery_alarm import OnuDiscoveryAlarm
+from pyvoltha.adapters.extensions.alarms.onu.onu_discovery_alarm import OnuDiscoveryAlarm
 
-from voltha.common.utils.nethelpers import mac_str_to_tuple
-from voltha.protos.openflow_13_pb2 import OFPPS_LIVE, OFPPF_FIBER, \
+from pyvoltha.common.utils.nethelpers import mac_str_to_tuple
+from pyvoltha.protos.openflow_13_pb2 import OFPPS_LIVE, OFPPF_FIBER, \
     OFPPS_LINK_DOWN, OFPPF_1GB_FD, \
     OFPC_GROUP_STATS, OFPC_PORT_STATS, OFPC_TABLE_STATS, OFPC_FLOW_STATS, \
     ofp_switch_features, ofp_port, ofp_port_stats, ofp_desc
-from voltha.common.utils.registry import registry
-from voltha.protos import openolt_pb2
-from voltha.protos import third_party
-from voltha.protos.common_pb2 import AdminState, OperStatus, ConnectStatus
-from voltha.protos.common_pb2 import LogLevel
-from voltha.protos.device_pb2 import Port, Device
+from pyvoltha.common.utils.registry import registry
+from pyvoltha.protos import third_party
+from pyvoltha.protos.common_pb2 import AdminState, OperStatus, ConnectStatus
+from pyvoltha.protos.common_pb2 import LogLevel
+from pyvoltha.protos.device_pb2 import Port, Device
 
-from voltha.protos.logical_device_pb2 import LogicalDevice, LogicalPort
+from pyvoltha.protos.logical_device_pb2 import LogicalDevice, LogicalPort
 
 class OpenoltDevice(object):
     """
diff --git a/python/adapters/openolt/openolt_flow_mgr.py b/python/adapters/openolt/openolt_flow_mgr.py
index e298db2..198ee3a 100644
--- a/python/adapters/openolt/openolt_flow_mgr.py
+++ b/python/adapters/openolt/openolt_flow_mgr.py
@@ -20,15 +20,15 @@
 import hashlib
 from simplejson import dumps
 
-from voltha.protos.openflow_13_pb2 import OFPXMC_OPENFLOW_BASIC, \
+from pyvoltha.protos.openflow_13_pb2 import OFPXMC_OPENFLOW_BASIC, \
     ofp_flow_stats, OFPMT_OXM, Flows, FlowGroups, OFPXMT_OFB_IN_PORT, \
     OFPXMT_OFB_VLAN_VID
-from voltha.protos.device_pb2 import Port
-import voltha.core.flow_decomposer as fd
-from voltha.adapters.openolt.protos import openolt_pb2
-from voltha.registry import registry
+from pyvoltha.protos.device_pb2 import Port
+import pyvoltha.common.openflow.utils as fd
+from pyvoltha.protos import openolt_pb2
+from pyvoltha.common.utils.registry import registry
 
-from common.tech_profile.tech_profile import DEFAULT_TECH_PROFILE_TABLE_ID
+from pyvoltha.common.tech_profile.tech_profile import DEFAULT_TECH_PROFILE_TABLE_ID
 
 # Flow categories
 HSIA_FLOW = "HSIA_FLOW"
diff --git a/python/adapters/openolt/openolt_platform.py b/python/adapters/openolt/openolt_platform.py
index a44eafc..7032247 100644
--- a/python/adapters/openolt/openolt_platform.py
+++ b/python/adapters/openolt/openolt_platform.py
@@ -14,8 +14,8 @@
 # limitations under the License.
 #
 
-from voltha.protos.device_pb2 import Port
-import voltha.protos.device_pb2 as dev_pb2
+from pyvoltha.protos.device_pb2 import Port
+import pyvoltha.protos.device_pb2 as dev_pb2
 
 """
 Encoding of identifiers
diff --git a/python/adapters/openolt/openolt_resource_manager.py b/python/adapters/openolt/openolt_resource_manager.py
index 760471d..c784678 100644
--- a/python/adapters/openolt/openolt_resource_manager.py
+++ b/python/adapters/openolt/openolt_resource_manager.py
@@ -16,14 +16,14 @@
 
 import structlog
 
-from common.pon_resource_manager.resource_manager import PONResourceManager
-from voltha.registry import registry
-from voltha.core.config.config_backend import ConsulStore
-from voltha.core.config.config_backend import EtcdStore
-from voltha.adapters.openolt.openolt_flow_mgr import *
+from pyvoltha.adapters.common.pon_resource_manager.resource_manager import PONResourceManager
+from pyvoltha.common.utils.registry import registry
+from pyvoltha.common.config.config_backend import ConsulStore
+from pyvoltha.common.config.config_backend import EtcdStore
+from openolt_flow_mgr import *
 
-from voltha.adapters.openolt.protos import openolt_pb2
-from voltha.adapters.openolt.openolt_platform import OpenOltPlatform
+from pyvoltha.protos import openolt_pb2
+from openolt_platform import OpenOltPlatform
 
 
 class OpenOltResourceMgr(object):
diff --git a/python/adapters/openolt/openolt_statistics.py b/python/adapters/openolt/openolt_statistics.py
index bfdb61c..c33b977 100644
--- a/python/adapters/openolt/openolt_statistics.py
+++ b/python/adapters/openolt/openolt_statistics.py
@@ -21,8 +21,8 @@
 # from voltha.protos.device_pb2 import Port
 
 from twisted.internet import reactor, defer
-from voltha.extensions.kpi.olt.olt_pm_metrics import OltPmMetrics
-from voltha.protos.device_pb2 import PmConfig, PmConfigs, PmGroupConfig, Port
+from pyvoltha.adapters.extensions.kpi.olt.olt_pm_metrics import OltPmMetrics
+from pyvoltha.protos.device_pb2 import PmConfig, PmConfigs, PmGroupConfig, Port
 
 
 class OpenOltStatisticsMgr(object):