fix basepython usage in tox and update coverage endpoints to use a sp…

…ecific version

.travis.yml

@@ -22,7 +22,7 @@ matrix:
         - python: 2.7
           env: TOXENV=py27-pyramid15
         - python: 3.5
-          env: TOXENV=py2-cover,py3-cover,coverage
+          env: TOXENV=py27-cover,py35-cover,coverage
         - python: 3.5
           env: TOXENV=docs
 

tox.ini

@@ -6,19 +6,6 @@ envlist =
     {py2,py3}-cover,coverage
 
 [testenv]
-# Most of these are defaults but if you specify any you can't fall back
-# to defaults for others.
-basepython =
-    py27: python2.7
-    py34: python3.4
-    py35: python3.5
-    py36: python3.6
-    py37: python3.7
-    pypy: pypy
-    pypy3: pypy3
-    py2: python2.7
-    py3: python3.4
-
 deps =
     pyramid15: pyramid <= 1.5.99
     pyramid16: pyramid <= 1.6.99
@@ -34,37 +21,35 @@ extras =
     testing
 
 [testenv:docs]
-basepython = python3.5
 whitelist_externals = make
 commands =
     make -C docs html epub BUILDDIR={envdir}
 extras =
     docs
 
-[testenv:py2-cover]
+[testenv:py27-cover]
 commands =
     coverage run --source=pyramid_tm {envbindir}/nosetests
     coverage xml -o coverage-py2.xml
 setenv =
-    COVERAGE_FILE=.coverage.py2
+    COVERAGE_FILE=.coverage.py27
 extras =
     testing
 deps =
     pyramid_retry
 
-[testenv:py3-cover]
+[testenv:py35-cover]
 commands =
     coverage run --source=pyramid_tm {envbindir}/nosetests
     coverage xml -o coverage-py3.xml
 setenv =
-    COVERAGE_FILE=.coverage.py3
+    COVERAGE_FILE=.coverage.py35
 extras =
     testing
 deps =
     pyramid_retry
 
 [testenv:coverage]
-basepython = python3.5
 commands =
     coverage erase
     coverage combine