diff --git a/lbry/lbry/blob/blob_file.py b/lbry/lbry/blob/blob_file.py
index 6b1218bd9..45ac2b26f 100644
--- a/lbry/lbry/blob/blob_file.py
+++ b/lbry/lbry/blob/blob_file.py
@@ -71,7 +71,7 @@ class AbstractBlob:
         'readers'
     ]
 
-    def __init__(self, loop: asyncio.BaseEventLoop, blob_hash: str, length: typing.Optional[int] = None,
+    def __init__(self, loop: asyncio.AbstractEventLoop, blob_hash: str, length: typing.Optional[int] = None,
                  blob_completed_callback: typing.Optional[typing.Callable[['AbstractBlob'], asyncio.Task]] = None,
                  blob_directory: typing.Optional[str] = None):
         self.loop = loop
@@ -175,7 +175,7 @@ class AbstractBlob:
 
     @classmethod
     async def create_from_unencrypted(
-            cls, loop: asyncio.BaseEventLoop, blob_dir: typing.Optional[str], key: bytes, iv: bytes,
+            cls, loop: asyncio.AbstractEventLoop, blob_dir: typing.Optional[str], key: bytes, iv: bytes,
             unencrypted: bytes, blob_num: int,
             blob_completed_callback: typing.Optional[typing.Callable[['AbstractBlob'], None]] = None) -> BlobInfo:
         """
@@ -237,7 +237,7 @@ class BlobBuffer(AbstractBlob):
     """
     An in-memory only blob
     """
-    def __init__(self, loop: asyncio.BaseEventLoop, blob_hash: str, length: typing.Optional[int] = None,
+    def __init__(self, loop: asyncio.AbstractEventLoop, blob_hash: str, length: typing.Optional[int] = None,
                  blob_completed_callback: typing.Optional[typing.Callable[['AbstractBlob'], asyncio.Task]] = None,
                  blob_directory: typing.Optional[str] = None):
         self._verified_bytes: typing.Optional[BytesIO] = None
@@ -276,7 +276,7 @@ class BlobFile(AbstractBlob):
     """
     A blob existing on the local file system
     """
-    def __init__(self, loop: asyncio.BaseEventLoop, blob_hash: str, length: typing.Optional[int] = None,
+    def __init__(self, loop: asyncio.AbstractEventLoop, blob_hash: str, length: typing.Optional[int] = None,
                  blob_completed_callback: typing.Optional[typing.Callable[['AbstractBlob'], asyncio.Task]] = None,
                  blob_directory: typing.Optional[str] = None):
         super().__init__(loop, blob_hash, length, blob_completed_callback, blob_directory)
@@ -324,7 +324,7 @@ class BlobFile(AbstractBlob):
 
     @classmethod
     async def create_from_unencrypted(
-            cls, loop: asyncio.BaseEventLoop, blob_dir: typing.Optional[str], key: bytes, iv: bytes,
+            cls, loop: asyncio.AbstractEventLoop, blob_dir: typing.Optional[str], key: bytes, iv: bytes,
             unencrypted: bytes, blob_num: int,
             blob_completed_callback: typing.Optional[typing.Callable[['AbstractBlob'],
                                                                      asyncio.Task]] = None) -> BlobInfo:
diff --git a/lbry/lbry/blob/blob_manager.py b/lbry/lbry/blob/blob_manager.py
index 64ef5f2cb..71c646484 100644
--- a/lbry/lbry/blob/blob_manager.py
+++ b/lbry/lbry/blob/blob_manager.py
@@ -16,7 +16,7 @@ log = logging.getLogger(__name__)
 
 
 class BlobManager:
-    def __init__(self, loop: asyncio.BaseEventLoop, blob_dir: str, storage: 'SQLiteStorage', config: 'Config',
+    def __init__(self, loop: asyncio.AbstractEventLoop, blob_dir: str, storage: 'SQLiteStorage', config: 'Config',
                  node_data_store: typing.Optional['DictDataStore'] = None):
         """
         This class stores blobs on the hard disk
diff --git a/lbry/lbry/blob_exchange/client.py b/lbry/lbry/blob_exchange/client.py
index ff3516d32..35ef4284f 100644
--- a/lbry/lbry/blob_exchange/client.py
+++ b/lbry/lbry/blob_exchange/client.py
@@ -14,7 +14,7 @@ log = logging.getLogger(__name__)
 
 
 class BlobExchangeClientProtocol(asyncio.Protocol):
-    def __init__(self, loop: asyncio.BaseEventLoop, peer_timeout: typing.Optional[float] = 10,
+    def __init__(self, loop: asyncio.AbstractEventLoop, peer_timeout: typing.Optional[float] = 10,
                  connection_manager: typing.Optional['ConnectionManager'] = None):
         self.loop = loop
         self.peer_port: typing.Optional[int] = None
@@ -39,8 +39,6 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
                 self.peer_address, self.peer_port = addr_info
             # assert self.peer_address is not None
             self.connection_manager.received_data(f"{self.peer_address}:{self.peer_port}", len(data))
-        #log.debug("%s:%d -- got %s bytes -- %s bytes on buffer -- %s blob bytes received",
-        #          self.peer_address, self.peer_port, len(data), len(self.buf), self._blob_bytes_received)
         if not self.transport or self.transport.is_closing():
             log.warning("transport closing, but got more bytes from %s:%i\n%s", self.peer_address, self.peer_port,
                         binascii.hexlify(data))
@@ -91,7 +89,7 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
             log.error("error downloading blob from %s:%i: %s", self.peer_address, self.peer_port, err)
             if self._response_fut and not self._response_fut.done():
                 self._response_fut.set_exception(err)
-        except (asyncio.TimeoutError) as err:  # TODO: is this needed?
+        except asyncio.TimeoutError as err:  # TODO: is this needed?
             log.error("%s downloading blob from %s:%i", str(err), self.peer_address, self.peer_port)
             if self._response_fut and not self._response_fut.done():
                 self._response_fut.set_exception(err)
@@ -185,7 +183,7 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
             self.blob, self.writer = blob, blob.get_blob_writer(self.peer_address, self.peer_port)
             self._response_fut = asyncio.Future(loop=self.loop)
             return await self._download_blob()
-        except OSError as e:
+        except OSError:
             # i'm not sure how to fix this race condition - jack
             log.warning("race happened downloading %s from %s:%s", blob_hash, self.peer_address, self.peer_port)
             # return self._blob_bytes_received, self.transport
@@ -220,8 +218,8 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
 
 
 @cache_concurrent
-async def request_blob(loop: asyncio.BaseEventLoop, blob: typing.Optional['AbstractBlob'], address: str, tcp_port: int,
-                       peer_connect_timeout: float, blob_download_timeout: float,
+async def request_blob(loop: asyncio.AbstractEventLoop, blob: typing.Optional['AbstractBlob'], address: str,
+                       tcp_port: int, peer_connect_timeout: float, blob_download_timeout: float,
                        connected_transport: asyncio.Transport = None, connection_id: int = 0,
                        connection_manager: typing.Optional['ConnectionManager'] = None)\
         -> typing.Tuple[int, typing.Optional[asyncio.Transport]]:
diff --git a/lbry/lbry/blob_exchange/downloader.py b/lbry/lbry/blob_exchange/downloader.py
index 3c60e5db1..98d626fa0 100644
--- a/lbry/lbry/blob_exchange/downloader.py
+++ b/lbry/lbry/blob_exchange/downloader.py
@@ -16,7 +16,7 @@ log = logging.getLogger(__name__)
 class BlobDownloader:
     BAN_FACTOR = 2.0  # fixme: when connection manager gets implemented, move it out from here
 
-    def __init__(self, loop: asyncio.BaseEventLoop, config: 'Config', blob_manager: 'BlobManager',
+    def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', blob_manager: 'BlobManager',
                  peer_queue: asyncio.Queue):
         self.loop = loop
         self.config = config
diff --git a/lbry/lbry/blob_exchange/server.py b/lbry/lbry/blob_exchange/server.py
index 07ee0ce39..70234acb8 100644
--- a/lbry/lbry/blob_exchange/server.py
+++ b/lbry/lbry/blob_exchange/server.py
@@ -14,7 +14,7 @@ log = logging.getLogger(__name__)
 
 
 class BlobServerProtocol(asyncio.Protocol):
-    def __init__(self, loop: asyncio.BaseEventLoop, blob_manager: 'BlobManager', lbrycrd_address: str):
+    def __init__(self, loop: asyncio.AbstractEventLoop, blob_manager: 'BlobManager', lbrycrd_address: str):
         self.loop = loop
         self.blob_manager = blob_manager
         self.server_task: asyncio.Task = None
@@ -103,7 +103,7 @@ class BlobServerProtocol(asyncio.Protocol):
 
 
 class BlobServer:
-    def __init__(self, loop: asyncio.BaseEventLoop, blob_manager: 'BlobManager', lbrycrd_address: str):
+    def __init__(self, loop: asyncio.AbstractEventLoop, blob_manager: 'BlobManager', lbrycrd_address: str):
         self.loop = loop
         self.blob_manager = blob_manager
         self.server_task: typing.Optional[asyncio.Task] = None
diff --git a/lbry/lbry/dht/blob_announcer.py b/lbry/lbry/dht/blob_announcer.py
index d9d3a8233..22d12a550 100644
--- a/lbry/lbry/dht/blob_announcer.py
+++ b/lbry/lbry/dht/blob_announcer.py
@@ -9,7 +9,7 @@ log = logging.getLogger(__name__)
 
 
 class BlobAnnouncer:
-    def __init__(self, loop: asyncio.BaseEventLoop, node: 'Node', storage: 'SQLiteStorage'):
+    def __init__(self, loop: asyncio.AbstractEventLoop, node: 'Node', storage: 'SQLiteStorage'):
         self.loop = loop
         self.node = node
         self.storage = storage
diff --git a/lbry/lbry/dht/node.py b/lbry/lbry/dht/node.py
index 1fba74863..d6d358db5 100644
--- a/lbry/lbry/dht/node.py
+++ b/lbry/lbry/dht/node.py
@@ -16,7 +16,7 @@ log = logging.getLogger(__name__)
 
 
 class Node:
-    def __init__(self, loop: asyncio.BaseEventLoop, peer_manager: 'PeerManager', node_id: bytes, udp_port: int,
+    def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager', node_id: bytes, udp_port: int,
                  internal_udp_port: int, peer_port: int, external_ip: str, rpc_timeout: float = constants.rpc_timeout,
                  split_buckets_under_index: int = constants.split_buckets_under_index):
         self.loop = loop
diff --git a/lbry/lbry/dht/peer.py b/lbry/lbry/dht/peer.py
index 5e6d1925b..3bc2f7e75 100644
--- a/lbry/lbry/dht/peer.py
+++ b/lbry/lbry/dht/peer.py
@@ -20,7 +20,7 @@ def is_valid_ipv4(address):
 
 
 class PeerManager:
-    def __init__(self, loop: asyncio.BaseEventLoop):
+    def __init__(self, loop: asyncio.AbstractEventLoop):
         self._loop = loop
         self._rpc_failures: typing.Dict[
             typing.Tuple[str, int], typing.Tuple[typing.Optional[float], typing.Optional[float]]
@@ -61,7 +61,7 @@ class PeerManager:
         self._node_tokens[node_id] = (now, token)
 
     def get_node_token(self, node_id: bytes) -> typing.Optional[bytes]:
-        ts, token = self._node_tokens.get(node_id, (None, None))
+        ts, token = self._node_tokens.get(node_id, (0, None))
         if ts and ts > self._loop.time() - constants.token_secret_refresh_interval:
             return token
 
@@ -148,7 +148,7 @@ class KademliaPeer:
         'protocol_version',
     ]
 
-    def __init__(self, loop: asyncio.BaseEventLoop, address: str, node_id: typing.Optional[bytes] = None,
+    def __init__(self, loop: asyncio.AbstractEventLoop, address: str, node_id: typing.Optional[bytes] = None,
                  udp_port: typing.Optional[int] = None, tcp_port: typing.Optional[int] = None):
         if node_id is not None:
             if not len(node_id) == constants.hash_length:
diff --git a/lbry/lbry/dht/protocol/data_store.py b/lbry/lbry/dht/protocol/data_store.py
index d4678b0e3..73e69c80e 100644
--- a/lbry/lbry/dht/protocol/data_store.py
+++ b/lbry/lbry/dht/protocol/data_store.py
@@ -7,7 +7,7 @@ if typing.TYPE_CHECKING:
 
 
 class DictDataStore:
-    def __init__(self, loop: asyncio.BaseEventLoop, peer_manager: 'PeerManager'):
+    def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager'):
         # Dictionary format:
         # { <key>: [(<contact>, <age>), ...] }
         self._data_store: typing.Dict[bytes, typing.List[typing.Tuple['KademliaPeer', float]]] = {}
diff --git a/lbry/lbry/dht/protocol/iterative_find.py b/lbry/lbry/dht/protocol/iterative_find.py
index 0d36cdd5c..8f0e26437 100644
--- a/lbry/lbry/dht/protocol/iterative_find.py
+++ b/lbry/lbry/dht/protocol/iterative_find.py
@@ -70,7 +70,7 @@ def get_shortlist(routing_table: 'TreeRoutingTable', key: bytes,
 
 
 class IterativeFinder:
-    def __init__(self, loop: asyncio.BaseEventLoop, peer_manager: 'PeerManager',
+    def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager',
                  routing_table: 'TreeRoutingTable', protocol: 'KademliaProtocol', key: bytes,
                  bottom_out_limit: typing.Optional[int] = 2, max_results: typing.Optional[int] = constants.k,
                  exclude: typing.Optional[typing.List[typing.Tuple[str, int]]] = None,
@@ -254,7 +254,7 @@ class IterativeFinder:
 
 
 class IterativeNodeFinder(IterativeFinder):
-    def __init__(self, loop: asyncio.BaseEventLoop, peer_manager: 'PeerManager',
+    def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager',
                  routing_table: 'TreeRoutingTable', protocol: 'KademliaProtocol', key: bytes,
                  bottom_out_limit: typing.Optional[int] = 2, max_results: typing.Optional[int] = constants.k,
                  exclude: typing.Optional[typing.List[typing.Tuple[str, int]]] = None,
@@ -305,7 +305,7 @@ class IterativeNodeFinder(IterativeFinder):
 
 
 class IterativeValueFinder(IterativeFinder):
-    def __init__(self, loop: asyncio.BaseEventLoop, peer_manager: 'PeerManager',
+    def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager',
                  routing_table: 'TreeRoutingTable', protocol: 'KademliaProtocol', key: bytes,
                  bottom_out_limit: typing.Optional[int] = 2, max_results: typing.Optional[int] = constants.k,
                  exclude: typing.Optional[typing.List[typing.Tuple[str, int]]] = None,
diff --git a/lbry/lbry/dht/protocol/protocol.py b/lbry/lbry/dht/protocol/protocol.py
index a60e8424b..68940f35b 100644
--- a/lbry/lbry/dht/protocol/protocol.py
+++ b/lbry/lbry/dht/protocol/protocol.py
@@ -29,7 +29,7 @@ old_protocol_errors = {
 
 
 class KademliaRPC:
-    def __init__(self, protocol: 'KademliaProtocol', loop: asyncio.BaseEventLoop, peer_port: int = 3333):
+    def __init__(self, protocol: 'KademliaProtocol', loop: asyncio.AbstractEventLoop, peer_port: int = 3333):
         self.protocol = protocol
         self.loop = loop
         self.peer_port = peer_port
@@ -132,7 +132,7 @@ class RemoteKademliaRPC:
     Encapsulates RPC calls to remote Peers
     """
 
-    def __init__(self, loop: asyncio.BaseEventLoop, peer_tracker: 'PeerManager', protocol: 'KademliaProtocol',
+    def __init__(self, loop: asyncio.AbstractEventLoop, peer_tracker: 'PeerManager', protocol: 'KademliaProtocol',
                  peer: 'KademliaPeer'):
         self.loop = loop
         self.peer_tracker = peer_tracker
@@ -195,7 +195,7 @@ class RemoteKademliaRPC:
 
 
 class PingQueue:
-    def __init__(self, loop: asyncio.BaseEventLoop, protocol: 'KademliaProtocol'):
+    def __init__(self, loop: asyncio.AbstractEventLoop, protocol: 'KademliaProtocol'):
         self._loop = loop
         self._protocol = protocol
         self._pending_contacts: typing.Dict['KademliaPeer', float] = {}
@@ -258,7 +258,7 @@ class PingQueue:
 
 
 class KademliaProtocol(DatagramProtocol):
-    def __init__(self, loop: asyncio.BaseEventLoop, peer_manager: 'PeerManager', node_id: bytes, external_ip: str,
+    def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager', node_id: bytes, external_ip: str,
                  udp_port: int, peer_port: int, rpc_timeout: float = constants.rpc_timeout,
                  split_buckets_under_index: int = constants.split_buckets_under_index):
         self.peer_manager = peer_manager
diff --git a/lbry/lbry/dht/protocol/routing_table.py b/lbry/lbry/dht/protocol/routing_table.py
index 8775ae22f..d0d1415bf 100644
--- a/lbry/lbry/dht/protocol/routing_table.py
+++ b/lbry/lbry/dht/protocol/routing_table.py
@@ -163,7 +163,7 @@ class TreeRoutingTable:
     that paper.
     """
 
-    def __init__(self, loop: asyncio.BaseEventLoop, peer_manager: 'PeerManager', parent_node_id: bytes,
+    def __init__(self, loop: asyncio.AbstractEventLoop, peer_manager: 'PeerManager', parent_node_id: bytes,
                  split_buckets_under_index: int = constants.split_buckets_under_index):
         self._loop = loop
         self._peer_manager = peer_manager
diff --git a/lbry/lbry/stream/descriptor.py b/lbry/lbry/stream/descriptor.py
index 5c8a9861d..1b7856d85 100644
--- a/lbry/lbry/stream/descriptor.py
+++ b/lbry/lbry/stream/descriptor.py
@@ -58,7 +58,7 @@ class StreamDescriptor:
         'sd_hash'
     ]
 
-    def __init__(self, loop: asyncio.BaseEventLoop, blob_dir: str, stream_name: str, key: str,
+    def __init__(self, loop: asyncio.AbstractEventLoop, blob_dir: str, stream_name: str, key: str,
                  suggested_file_name: str, blobs: typing.List[BlobInfo], stream_hash: typing.Optional[str] = None,
                  sd_hash: typing.Optional[str] = None):
         self.loop = loop
@@ -139,7 +139,7 @@ class StreamDescriptor:
         return sd_blob
 
     @classmethod
-    def _from_stream_descriptor_blob(cls, loop: asyncio.BaseEventLoop, blob_dir: str,
+    def _from_stream_descriptor_blob(cls, loop: asyncio.AbstractEventLoop, blob_dir: str,
                                      blob: AbstractBlob) -> 'StreamDescriptor':
         with blob.reader_context() as blob_reader:
             json_bytes = blob_reader.read()
@@ -171,7 +171,7 @@ class StreamDescriptor:
         return descriptor
 
     @classmethod
-    async def from_stream_descriptor_blob(cls, loop: asyncio.BaseEventLoop, blob_dir: str,
+    async def from_stream_descriptor_blob(cls, loop: asyncio.AbstractEventLoop, blob_dir: str,
                                           blob: AbstractBlob) -> 'StreamDescriptor':
         if not blob.is_readable():
             raise InvalidStreamDescriptorError(f"unreadable/missing blob: {blob.blob_hash}")
@@ -209,7 +209,7 @@ class StreamDescriptor:
 
     @classmethod
     async def create_stream(
-            cls, loop: asyncio.BaseEventLoop, blob_dir: str, file_path: str, key: typing.Optional[bytes] = None,
+            cls, loop: asyncio.AbstractEventLoop, blob_dir: str, file_path: str, key: typing.Optional[bytes] = None,
             iv_generator: typing.Optional[typing.Generator[bytes, None, None]] = None,
             old_sort: bool = False,
             blob_completed_callback: typing.Optional[typing.Callable[['AbstractBlob'],
diff --git a/lbry/lbry/stream/downloader.py b/lbry/lbry/stream/downloader.py
index 717299a77..df79b6a4f 100644
--- a/lbry/lbry/stream/downloader.py
+++ b/lbry/lbry/stream/downloader.py
@@ -114,7 +114,7 @@ class StreamDownloader:
             )
 
     async def download_stream_blob(self, blob_info: 'BlobInfo', connection_id: int = 0) -> 'AbstractBlob':
-        if not filter(lambda blob: blob.blob_hash == blob_info.blob_hash, self.descriptor.blobs[:-1]):
+        if not filter(lambda b: b.blob_hash == blob_info.blob_hash, self.descriptor.blobs[:-1]):
             raise ValueError(f"blob {blob_info.blob_hash} is not part of stream with sd hash {self.sd_hash}")
         blob = await asyncio.wait_for(
             self.blob_downloader.download_blob(blob_info.blob_hash, blob_info.length, connection_id),
diff --git a/lbry/lbry/stream/managed_stream.py b/lbry/lbry/stream/managed_stream.py
index f82d6a51b..2f8ce85a5 100644
--- a/lbry/lbry/stream/managed_stream.py
+++ b/lbry/lbry/stream/managed_stream.py
@@ -33,7 +33,7 @@ def _get_next_available_file_name(download_directory: str, file_name: str) -> st
     return file_name
 
 
-async def get_next_available_file_name(loop: asyncio.BaseEventLoop, download_directory: str, file_name: str) -> str:
+async def get_next_available_file_name(loop: asyncio.AbstractEventLoop, download_directory: str, file_name: str) -> str:
     return await loop.run_in_executor(None, _get_next_available_file_name, download_directory, file_name)
 
 
@@ -71,7 +71,7 @@ class ManagedStream:
         'finished_write_attempt'
     ]
 
-    def __init__(self, loop: asyncio.BaseEventLoop, config: 'Config', blob_manager: 'BlobManager',
+    def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', blob_manager: 'BlobManager',
                  sd_hash: str, download_directory: typing.Optional[str] = None, file_name: typing.Optional[str] = None,
                  status: typing.Optional[str] = STATUS_STOPPED, claim: typing.Optional[StoredStreamClaim] = None,
                  download_id: typing.Optional[str] = None, rowid: typing.Optional[int] = None,
@@ -245,7 +245,7 @@ class ManagedStream:
         }
 
     @classmethod
-    async def create(cls, loop: asyncio.BaseEventLoop, config: 'Config', blob_manager: 'BlobManager',
+    async def create(cls, loop: asyncio.AbstractEventLoop, config: 'Config', blob_manager: 'BlobManager',
                      file_path: str, key: typing.Optional[bytes] = None,
                      iv_generator: typing.Optional[typing.Generator[bytes, None, None]] = None) -> 'ManagedStream':
         descriptor = await StreamDescriptor.create_stream(
diff --git a/lbry/lbry/stream/stream_manager.py b/lbry/lbry/stream/stream_manager.py
index f52661bcc..2e458bfe9 100644
--- a/lbry/lbry/stream/stream_manager.py
+++ b/lbry/lbry/stream/stream_manager.py
@@ -63,7 +63,7 @@ def path_or_none(p) -> typing.Optional[str]:
 
 
 class StreamManager:
-    def __init__(self, loop: asyncio.BaseEventLoop, config: 'Config', blob_manager: 'BlobManager',
+    def __init__(self, loop: asyncio.AbstractEventLoop, config: 'Config', blob_manager: 'BlobManager',
                  wallet: 'LbryWalletManager', storage: 'SQLiteStorage', node: typing.Optional['Node'],
                  analytics_manager: typing.Optional['AnalyticsManager'] = None):
         self.loop = loop
diff --git a/lbry/tests/dht_mocks.py b/lbry/tests/dht_mocks.py
index f08a2cc57..17b0d3daf 100644
--- a/lbry/tests/dht_mocks.py
+++ b/lbry/tests/dht_mocks.py
@@ -8,7 +8,7 @@ if typing.TYPE_CHECKING:
     from lbry.dht.protocol.protocol import KademliaProtocol
 
 
-def get_time_accelerator(loop: asyncio.BaseEventLoop,
+def get_time_accelerator(loop: asyncio.AbstractEventLoop,
                          now: typing.Optional[float] = None) -> typing.Callable[[float], typing.Awaitable[None]]:
     """
     Returns an async advance() function
@@ -48,7 +48,7 @@ def get_time_accelerator(loop: asyncio.BaseEventLoop,
 
 
 @contextlib.contextmanager
-def mock_network_loop(loop: asyncio.BaseEventLoop):
+def mock_network_loop(loop: asyncio.AbstractEventLoop):
     dht_network: typing.Dict[typing.Tuple[str, int], 'KademliaProtocol'] = {}
 
     async def create_datagram_endpoint(proto_lam: typing.Callable[[], 'KademliaProtocol'],