minor cleanup

bfxbot.py

@@ -5,7 +5,6 @@ import inspect
 import shutil
 import time
 from enum import Enum
-from os import system
 from time import sleep
 from typing import Dict, List
 
@@ -18,7 +17,7 @@ from playsound import playsound
 from termcolor import colored
 
 
-class Ticker():
+class Ticker:
     def __init__(self, sec) -> None:
         self.seconds: int = sec
         self.start_time = time.time()
@@ -39,7 +38,7 @@ class EventKind(Enum):
     ORDER_SUBMITTED = 11,
 
 
-class Event():
+class Event:
     def __init__(self, kind: EventKind, tick: int) -> None:
         self.kind: EventKind = kind
         self.tick: int = tick
@@ -64,7 +63,7 @@ class State(Enum):
             return "green"
 
 
-class Printer():
+class Printer:
     def __init__(self, screen: Screen):
         self.screen: Screen = screen
         self.current_line: int = 0
@@ -96,7 +95,7 @@ class Printer():
         (self.current_width, self.current_height) = shutil.get_terminal_size()
 
 
-class Status():
+class Status:
     def __init__(self, tick_duration, symbol, printer):
         self.ticker: Ticker = Ticker(tick_duration)
         self.events: List[Event] = []
@@ -243,6 +242,7 @@ def on_min_profit(event: Event, status: Status):
 def on_critical(event: Event, status: Status):
     playsound("sounds/gameover.mp3")
 
+
 @eh.on_state(State.MINIMUM_PROFIT)
 def on_state_min_profit(status: Status):
     update_stop_percentage(State.MINIMUM_PROFIT, status)
@@ -304,11 +304,13 @@ async def on_close_position(event: Event, status: Status):
     await bfx.submit_order(status.symbol, closing_price, amount, Order.Type.LIMIT)
     await status.add_event(Event(EventKind.ORDER_SUBMITTED, status.get_current_tick()))
 
+
 @eh.on_event(EventKind.ORDER_SUBMITTED)
 def on_order_submitted(event: Event, status: Status):
     status.printer.print_next_line("ORDER SUBMITTED!")
     return
 
+
 async def calculate_best_closing_price(status: Status):
     p: Position = status.last_position()
 
@@ -479,9 +481,5 @@ async def get_usd_balance():
     return balance
 
 
-def clear():
-    system("clear")
-
-
 if __name__ == "__main__":
     asyncio.run(Screen.wrapper(main))