continuing fixing

.coveragerc

-[run]
-plugins = Cython.Coverage
\ No newline at end of file

.travis.yml

-sudo: required
 language: python
 python:
   - "3.5"
   - "3.6"
-addons:
-  apt:
-    packages:
-    - gcc
-    - g++
 # command to install dependencies
-before_install:
-  - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
-  - sudo apt-get update -qq
 install:
-  - sudo apt-get install -qq gcc-4.8
-  - export CC="gcc-4.8"
-  - sudo apt-get install -qq g++-4.8
-  - export CXX="g++-4.8"
   # We do this conditionally because it saves us some downloading if the
   # version is the same.
   - wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh