Fixed tox coverage

Author: thegrymek

.travis.yml

@@ -1,6 +1,6 @@
 language: python
-dist: trusty
-sudo: false
+dist: xenial
+sudo: required
 
 python:
   - "2.7"

diskcollections/iterables/__init__.py

@@ -4,4 +4,8 @@
 from .iterables import (
     FileDeque,
     FileList
-)
+)
+
+__all__ = (
+    'FileDeque', 'FileList', 'TemporaryDirectoryClient'
+)

diskcollections/iterables/iterables.py

@@ -176,7 +176,7 @@ def __setitem__(self, idx, value):
 
         if idx >= len(self):
             self.__client.insert(idx, encoded_value)
-        elif idx < 0:
+        if idx < 0:
             self.__client.insert(0, encoded_value)
 
     def __delitem__(self, idx):

tox.ini

@@ -9,7 +9,7 @@ deps =
     pytest
     pytest-cov
 commands = py.test -v \
-    --cov {envsitepackagesdir}/diskcollections \
+    --cov diskcollections \
     --cov-config .coveragerc \
     --cov-report term-missing \
     --cov-fail-under 95 \