fix syntax errors

Author: carlosmiei

binance/client.py

@@ -2696,7 +2696,7 @@ def get_trade_fee(self, **params):
             ]
 
         """
-        if self.tld == 'us'
+        if self.tld == 'us':
             endpoint = 'asset/query/trading-fee'
         else:
             endpoint = 'asset/tradeFee'
@@ -9263,11 +9263,11 @@ async def query_universal_transfer_history(self, **params):
     query_universal_transfer_history.__doc__ = Client.query_universal_transfer_history.__doc__
 
     async def get_trade_fee(self, **params):
-        if self.tld == 'us'
+        if self.tld == 'us':
             endpoint = 'asset/query/trading-fee'
         else:
             endpoint = 'asset/tradeFee'
-        return await self._request_margin_api('get', 'endpoint', True, data=params)
+        return await self._request_margin_api('get', endpoint, True, data=params)
     get_trade_fee.__doc__ = Client.get_trade_fee.__doc__
 
     async def get_asset_details(self, **params):