[CI] Pass pep8 again and bump Travis

Author: frozencemetery

.travis.yml

@@ -1,26 +1,30 @@
 sudo: false
-
 language: python
-
 cache: pip
+dist: xenial
 
 matrix:
   include:
-    - python: 2.7
-      env: TOXENV=py27-asn1crypto
-    - python: 3.5
-      env: TOXENV=py35-asn1crypto
+    # el8
     - python: 3.6
       env: TOXENV=py36-asn1crypto
+    - python: 3.6
+      env: TOXENV=py3pep8
+
+    # latest 2-series
+    - python: 2.7
+      env: TOXENV=py27-asn1crypto
     - python: 2.7
       env: TOXENV=py27-pyasn1
-    - python: 3.5
-      env: TOXENV=py35-pyasn1
-    - python: 3.6
-      env: TOXENV=py36-pyasn1
     - python: 2.7
       env: TOXENV=pep8
-    - python: 3.6
+
+    # latest 3-series
+    - python: 3.7
+      env: TOXENV=py37-asn1crypto
+    - python: 3.7
+      env: TOXENV=py37-pyasn1
+    - python: 3.7
       env: TOXENV=py3pep8
 
 install:

kdcproxy/__init__.py

@@ -231,8 +231,8 @@ def __call__(self, env, start_response):
                 for addr in addrs + (None,):
                     if addr is not None:
                         # Bypass unspecified socktypes
-                        if (len(scheme) > 1 and
-                                addr[1] != self.SOCKTYPES[scheme[1]]):
+                        if len(scheme) > 1 and \
+                           addr[1] != self.SOCKTYPES[scheme[1]]:
                             continue
 
                         # Create the socket

tox.ini

@@ -57,3 +57,5 @@ exclude = .tox,*.egg,dist,build
 show-source = true
 max-line-length = 79
 application-import-names = kdcproxy
+# N815 is camelCase names; N813 is for changing case on import
+ignore = N815, N813