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Use 3.9+ annots

async_hist_loading
Tyler Goodlet 2022-02-22 18:16:12 -05:00
parent 11d4ebd0b5
commit 786ffde4e6
1 changed files with 3 additions and 3 deletions
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6
piker/data/_source.py
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@ -17,7 +17,7 @@
""" """
numpy data source coversion helpers. numpy data source coversion helpers.
""" """
from typing import Dict, Any, List from typing import Any
import decimal import decimal
import numpy as np import numpy as np
@ -103,13 +103,13 @@ class Symbol(BaseModel):
lot_tick_size: float # "volume" precision as min step value lot_tick_size: float # "volume" precision as min step value
tick_size_digits: int tick_size_digits: int
lot_size_digits: int lot_size_digits: int
broker_info: Dict[str, Dict[str, Any]] = {} broker_info: dict[str, dict[str, Any]] = {}
# specifies a "class" of financial instrument # specifies a "class" of financial instrument
# ex. stock, futer, option, bond etc. # ex. stock, futer, option, bond etc.
@property @property
def brokers(self) -> List[str]: def brokers(self) -> list[str]:
return list(self.broker_info.keys()) return list(self.broker_info.keys())
def nearest_tick(self, value: float) -> float: def nearest_tick(self, value: float) -> float: