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fix various bugs found by the 'prospector' static-analysis tool

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This commit is contained in:
Andrew Scheller
2016-04-07 16:12:17 +01:00
parent 4f7e1f003e
commit 72ca075668
13 changed files with 33 additions and 34 deletions
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7
gpiozero/input_devices.py
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@@ -7,12 +7,11 @@ from __future__ import (
division,
)
import warnings
from time import sleep, time
from threading import Event
from .exc import InputDeviceError, GPIODeviceError, DeviceClosed
from .devices import GPIODevice, CompositeDevice
from .exc import InputDeviceError, DeviceClosed
from .devices import GPIODevice
from .mixins import GPIOQueue, EventsMixin
@@ -560,7 +559,7 @@ class DistanceSensor(SmoothedInputDevice):
def __init__(
self, echo=None, trigger=None, queue_len=30, max_distance=1,
threshold_distance=0.3, partial=False):
if not (max_distance > 0):
if max_distance <= 0:
raise ValueError('invalid maximum distance (must be positive)')
self._trigger = None
super(DistanceSensor, self).__init__(