module: support Python 3 only

.github/workflows/ci.yml

@@ -3,26 +3,21 @@ name: ci
 
 on:
   push:
-    branches: [master, three]
+    branches: [master]
   pull_request:
-    branches: [master, three]
+    branches: [master]
   workflow_dispatch:
   schedule:
   - cron: '41 4 * * 4'  # weekly on thursday morning
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
-      fail-fast: false
       matrix:
         python-version:
-        - '2.7'
-        # Python 3.4 on GHA doesn't work due to fastdiff==0.2.0 failing with:
-        #   pkg_resources.DistributionNotFound: The 'setuptools_scm>=1.15.0' distribution was not found and is required by the application
-        #- '3.4'
-        - '3.5'
         - '3.7'
+        - '3.8'
         - '3.9'
     steps:
     - uses: actions/checkout@v2

.travis.yml

@@ -1,13 +0,0 @@
----
-os: linux
-language: python
-python:
-- "3.4"
-
-install:
-- pip install poetry==1.0.10
-- poetry install
-
-script:
-- make lint
-- make test

bme280/bme280.py

@@ -52,7 +52,7 @@ FILTER_8 = 0x03
 FILTER_16 = 0x04  # and all higher
 
 
-class Bme280(object):  # pylint: disable=bad-option-value,useless-object-inheritance
+class Bme280():
     def __init__(self, i2c_bus=1, sensor_address=ADDR):
         self.bus = smbus.SMBus(i2c_bus)
         self.sensor_address = sensor_address
@@ -179,7 +179,7 @@ class Bme280(object):  # pylint: disable=bad-option-value,useless-object-inherit
         for i in range(0xE1, 0xE1 + 7):
             calibration_regs.append(self.bus.read_byte_data(self.sensor_address, i))
 
-        # pylint: disable=bad-whitespace
+        # pylint: disable=bad-option-value,bad-whitespace
 
         # reorganize 8-bit words into compensation words (without correct sign)
         self.digT = []

pyproject.toml

@@ -11,7 +11,7 @@ license = "MIT"
 homepage = "https://dev.mycrobase.de/gitea/cn/python-bme280"
 
 [tool.poetry.dependencies]
-python = "^2.7 || ^3.4"
+python = "^3.7"
 smbus2 = "*"
 
 [tool.poetry.dev-dependencies]

tests/bme280_test.py

@@ -14,7 +14,7 @@ import bme280  # 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 {}