removed python 2.7 and 3.5

.appveyor.yml

@@ -7,22 +7,6 @@ environment:
       PYTHON_HOME: C:\Python36
       PYTHON_VERSION: '3.6'
       PYTHON_ARCH: '32'
-    - TOXENV: py27,codecov
-      TOXPYTHON: C:\Python27\python.exe
-      PYTHON_HOME: C:\Python27
-      PYTHON_VERSION: '2.7'
-      PYTHON_ARCH: '32'
-    - TOXENV: py27,codecov
-      TOXPYTHON: C:\Python27-x64\python.exe
-      PYTHON_HOME: C:\Python27-x64
-      PYTHON_VERSION: '2.7'
-      PYTHON_ARCH: '64'
-      WINDOWS_SDK_VERSION: v7.0
-    - TOXENV: py35,codecov
-      TOXPYTHON: C:\Python35\python.exe
-      PYTHON_HOME: C:\Python35
-      PYTHON_VERSION: '3.5'
-      PYTHON_ARCH: '32'
     - TOXENV: py35,codecov
       TOXPYTHON: C:\Python35-x64\python.exe
       PYTHON_HOME: C:\Python35-x64

.travis.yml

@@ -7,18 +7,12 @@ env:
     - SEGFAULT_SIGNALS=all
 matrix:
   include:
-    - python: '3.6'
+    - python: '3.7'
       env:
         - TOXENV=check
-    - python: '3.6'
+    - python: '3.7'
       env:
         - TOXENV=docs
-    - env:
-        - TOXENV=py27,codecov
-      python: '2.7'
-    - env:
-        - TOXENV=py35,codecov
-      python: '3.5'
     - env:
         - TOXENV=py36,codecov
       python: '3.6'

setup.py

@@ -49,9 +49,7 @@ def read(*names, **kwargs):
         'Operating System :: POSIX',
         'Operating System :: Microsoft :: Windows',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
@@ -71,7 +69,7 @@ def read(*names, **kwargs):
     keywords=[
         # eg: 'keyword1', 'keyword2', 'keyword3',
     ],
-    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
+    python_requires='>=3.6.*',
     install_requires=[
         # eg: 'aspectlib==1.1.1', 'six>=1.7',
     ],

src/pythermalcomfort/models.py

@@ -403,8 +403,8 @@ def set_tmp(ta, tr, v, rh, met, clo, wme=0, body_surface_area=1.8258, p_atm=1013
     if met < 0.85:
         CHCS = 3.0
     else:
-        CHCS = 5.66 * pow(((met - 0.85)), 0.39)
-    if (CHCS < 3.0):
+        CHCS = 5.66 * math.pow((met - 0.85), 0.39)
+    if CHCS < 3.0:
         CHCS = 3.0
     CTCS = CHCS + CHRS
     RCLOS = 1.52 / ((met - wme / met_factor) + 0.6944) - 0.1835

tox.ini

@@ -15,16 +15,14 @@ envlist =
     clean,
     check,
     docs,
-    {py27,py35,py36,py37,py38,pypy,pypy3},
+    {py36,py37,py38,pypy,pypy3},
     report
 ignore_basepython_conflict = true
 
 [testenv]
 basepython =
     pypy: {env:TOXPYTHON:pypy}
     pypy3: {env:TOXPYTHON:pypy3}
-    py27: {env:TOXPYTHON:python2.7}
-    py35: {env:TOXPYTHON:python3.5}
     py36: {env:TOXPYTHON:python3.6}
     {py37,docs}: {env:TOXPYTHON:python3.7}
     py38: {env:TOXPYTHON:python3.8}