module: support Python 3 only

.travis.yml

@@ -2,7 +2,6 @@
 os: linux
 language: python
 python:
-- "2.7"
 - "3.4"
 - "3.5"
 - "3.7"

pyproject.toml

@@ -11,7 +11,7 @@ license = "MIT"
 homepage = "https://dev.mycrobase.de/gitea/cn/python-veml6070"
 
 [tool.poetry.dependencies]
-python = "^2.7 || ^3.4"
+python = "^3.4"
 smbus2 = "*"
 
 [tool.poetry.dev-dependencies]

tests/veml6070_test.py

@@ -14,7 +14,7 @@ import veml6070  # pylint: disable=wrong-import-position
 
 
 # inspired by https://github.com/adafruit/Adafruit_Python_GPIO/blob/master/Adafruit_GPIO/I2C.py
-class MockSMBus(object): # pylint: disable=bad-option-value,useless-object-inheritance
+class MockSMBus():
     def __init__(self, initial_read=None):
         self._log = []
         self.initial_read = initial_read or {}

veml6070/veml6070.py

@@ -31,7 +31,7 @@ NORMALIZED_REFRESHTIME = 0.1
 NORMALIZED_UVA_SENSITIVITY = 0.05
 
 
-class Veml6070(object):  # pylint: disable=bad-option-value,useless-object-inheritance
+class Veml6070():
     def __init__(self, i2c_bus=1, sensor_address=ADDR_L, rset=RSET_270K, integration_time=INTEGRATIONTIME_1T):
         self.bus = smbus.SMBus(i2c_bus)
         self.sendor_address = sensor_address