diff --git a/exchanges_wrapper/web_sockets.py b/exchanges_wrapper/web_sockets.py
index 51194c5..35e67cc 100644
--- a/exchanges_wrapper/web_sockets.py
+++ b/exchanges_wrapper/web_sockets.py
@@ -8,8 +8,7 @@
 import gzip
 from datetime import datetime, timezone
 from urllib.parse import urlencode, urlparse
-import websockets.client
-from websockets import ConnectionClosed
+import websockets
 
 import exchanges_wrapper.bitfinex_parser as bfx
 import exchanges_wrapper.huobi_parser as hbp
@@ -61,7 +60,7 @@ async def start(self):
         ):
             try:
                 await self.start_wss()
-            except ConnectionClosed as ex:
+            except websockets.ConnectionClosed as ex:
                 self.tasks_cancel()
                 if ex.code == 4000:
                     logger.info(f"WSS closed for {self.exchange}:{self.trade_id}")
@@ -118,7 +117,7 @@ async def _handle_messages(self, msg, symbol=None, ch_type=str()):
             elif ((msg_data.get("ret_msg") == "subscribe" or msg_data.get("op") in ("auth", "subscribe"))
                   and not msg_data.get("success")):
                 logger.warning(f"Reconnecting ByBit WSS: {symbol}: {ch_type}, msg_data: {msg_data}")
-                raise ConnectionClosed(None, None)
+                raise websockets.ConnectionClosed(None, None)
             else:
                 logger.info(f"ByBit undefined WSS: symbol: {symbol}, ch_type: {ch_type}, msg_data: {msg_data}")
         elif self.exchange == 'okx':
@@ -134,7 +133,7 @@ async def _handle_messages(self, msg, symbol=None, ch_type=str()):
                 self.wss_started = True
             elif msg_data.get("event") in ("login", "error") and msg_data.get("code") != "0":
                 logger.warning(f"Reconnecting OKX WSS: {symbol}: {ch_type}, msg_data: {msg_data}")
-                raise ConnectionClosed(None, None)
+                raise websockets.ConnectionClosed(None, None)
             else:
                 logger.debug(f"OKX undefined WSS: symbol: {symbol}, ch_type: {ch_type}, msg_data: {msg_data}")
         elif self.exchange == 'bitfinex':
@@ -145,12 +144,12 @@ async def _handle_messages(self, msg, symbol=None, ch_type=str()):
                 if msg_data.get('platform') and msg_data.get('platform').get('status') != 1:
                     logger.warning(f"Exchange in maintenance mode, trying reconnect. Exchange info: {msg}")
                     await asyncio.sleep(60)
-                    raise ConnectionClosed(None, None)
+                    raise websockets.ConnectionClosed(None, None)
                 elif 'code' in msg_data:
                     code = msg_data.get('code')
                     if code == 10300:
                         logger.warning('WSS Subscription failed (generic)')
-                        raise ConnectionClosed(None, None)
+                        raise websockets.ConnectionClosed(None, None)
                     elif code == 10301:
                         logger.error('WSS Already subscribed')
                     elif code == 10302:
@@ -159,11 +158,11 @@ async def _handle_messages(self, msg, symbol=None, ch_type=str()):
                         raise UserWarning('WSS Reached limit of open channels')
                     elif code == 20051:
                         logger.warning('WSS reconnection request received from exchange')
-                        raise ConnectionClosed(None, None)
+                        raise websockets.ConnectionClosed(None, None)
                     elif code == 20060:
                         logger.info('WSS entering in maintenance mode, trying reconnect after 120s')
                         await asyncio.sleep(120)
-                        raise ConnectionClosed(None, None)
+                        raise websockets.ConnectionClosed(None, None)
                 elif msg_data.get('event') == 'subscribed':
                     chan_id = msg_data.get('chanId')
                     logger.info(f"bitfinex, ch_type: {ch_type}, chan_id: {chan_id}")
@@ -210,7 +209,7 @@ async def _handle_messages(self, msg, symbol=None, ch_type=str()):
                   msg_data.get('code') == 500 and
                   msg_data.get('message') == '系统异常:'):
                 logger.warning(f"Reconnecting Huobi user {ch_type} channel")
-                raise ConnectionClosed(None, None)
+                raise websockets.ConnectionClosed(None, None)
             else:
                 logger.debug(f"Huobi undefined WSS: symbol: {symbol}, ch_type: {ch_type}, msg_data: {msg_data}")