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change to forward reference for possibly unbound symbols in type hint(s) #41

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change to forward reference for possibly unbound symbols in type hint(s) #41

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9 changes: 2 additions & 7 deletions adafruit_ina219.py
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Original file line number Diff line number Diff line change
Expand Up @@ -33,14 +33,9 @@
from micropython import const

try:
import typing

from busio import I2C
except ImportError:
# define I2C to avoid the error:
# def __init__(self, i2c_bus: I2C, addr: int = 0x40) -> None:
# NameError: name 'I2C' is not defined
I2C = None
pass

__version__ = "0.0.0+auto.0"
__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_INA219.git"
Expand Down Expand Up @@ -153,7 +148,7 @@ class INA219:
# raw_current RO : Current register (not scaled)
# calibration RW : calibration register (note: value is cached)

def __init__(self, i2c_bus: I2C, addr: int = 0x40) -> None:
def __init__(self, i2c_bus: "I2C", addr: int = 0x40) -> None:
self.i2c_device = I2CDevice(i2c_bus, addr)
self.i2c_addr = addr

Expand Down