Fix pipeline (#160)

* Rename variable to satisfy flake8

* Fix and expand python version matrix

* Rename more variables

* Remove python3.5

azure-pipelines.yml

@@ -13,10 +13,12 @@ stages:
   - job: TestJob
     strategy:
       matrix:
-        Python35:
-          python.version: '3.6'
         Python36:
+          python.version: '3.6'
+        Python37:
           python.version: '3.7'
+        Python38:
+          python.version: '3.8'
     steps:
     - task: UsePythonVersion@0
       inputs:

evol/helpers/combiners/utils.py

@@ -7,8 +7,8 @@
 
 def construct_neighbors(*chromosome: Tuple[Any]) -> defaultdict:
     result = defaultdict(set)
-    for l in chromosome:
-        for x, y in _neighbors_in(l):
+    for element in chromosome:
+        for x, y in _neighbors_in(element):
             result[x].add(y)
             result[y].add(x)
     return result

tests/test_logging.py

@@ -43,12 +43,12 @@ def test_baselogger_can_accept_kwargs(self, tmpdir, simple_chromosomes, simple_e
         logger.log(pop, foo="bar")
         with open(log_file, "r") as f:
             assert len(f.readlines()) == len(simple_chromosomes)
-            assert all(["bar" in l for l in f.readlines()])
+            assert all(["bar" in line for line in f.readlines()])
         # we should see that a file was created with an appropriate number of rows
         logger.log(pop, foo="meh")
         with open(log_file, "r") as f:
             assert len(f.readlines()) == (2 * len(simple_chromosomes))
-            assert all(['meh' in l for l in f.readlines()[-10:]])
+            assert all(['meh' in line for line in f.readlines()[-10:]])
 
     def test_baselogger_works_via_evolution_callback(self, tmpdir, capsys):
         log_file = tmpdir.join('log.txt')