python: parse balance borrowed

python/bbgo/data/balance.py

@@ -14,7 +14,7 @@ class Balance:
     currency: str
     available: Decimal
     locked: Decimal
-    borrowed: str
+    borrowed: Decimal
 
     @classmethod
     def from_pb(cls, obj: bbgo_pb2.Balance) -> Balance:
@@ -23,7 +23,7 @@ class Balance:
             currency=obj.currency,
             available=parse_number(obj.available),
             locked=parse_number(obj.locked),
-            borrowed=obj.borrowed,
+            borrowed=parse_number(obj.borrowed),
         )
 
     def total(self) -> Decimal:

python/tests/test_data.py

@@ -12,7 +12,7 @@ def test_balance_from_pb():
     currency = 'BTCUSDT'
     available = '3.1415926'
     locked = '2.7182818'
-    borrowed = 'borrowed'
+    borrowed = '0.1234567'
 
     balance_pb = bbgo_pb2.Balance(
         exchange=exchange,
@@ -28,7 +28,7 @@ def test_balance_from_pb():
     assert balance.currency == currency
     assert balance.available == Decimal(available)
     assert balance.locked == Decimal(locked)
-    assert balance.borrowed == borrowed
+    assert balance.borrowed == Decimal(borrowed)
 
 
 def test_kline_from_pb():