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fix OSError response for CP 3.0 #6

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Merged
merged 1 commit into from
Dec 31, 2017
Merged

fix OSError response for CP 3.0 #6

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10 changes: 4 additions & 6 deletions adafruit_si7021.py
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Original file line number Diff line number Diff line change
Expand Up @@ -74,9 +74,8 @@ def __init__(self, i2c_bus, address=0x40):
i2c.write(data, stop=False)
i2c.readinto(data)
value = data[0]
except OSError as error:
if error.args[0] not in ('I2C bus error', 19): # errno 19 ENODEV
raise
except OSError:
pass
else:
break
if value != _USER1_VAL:
Expand All @@ -96,9 +95,8 @@ def _data(self):
try:
with self.i2c_device as i2c:
i2c.readinto(data)
except OSError as error:
if error.args[0] not in ('I2C bus error', 19): # errno 19 ENODEV
raise
except OSError:
pass
else:
if data[0] != 0xff: # Check if read succeeded.
break
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