improved format and readability

miners/__init__.py

@@ -1,9 +1,10 @@
-from API import BaseMinerAPI
+from API.bmminer import BMMinerAPI
+from API.bosminer import BOSMinerAPI
+from API.cgminer import CGMinerAPI
 import ipaddress
-import typing
 
 
 class BaseMiner:
-    def __init__(self, ip: str, api: typing.Type[BaseMinerAPI]):
+    def __init__(self, ip: str, api: BMMinerAPI or BOSMinerAPI or CGMinerAPI) -> None:
         self.ip = ipaddress.ip_address(ip)
         self.api = api