Try Travis without export module

.travis.yml

@@ -7,9 +7,10 @@ python:
   - "pypy"
 install:
   - pip install -r requirements.txt
+  - pip install -r optional-requirements.txt
   - pip install coveralls
 script:
   - python setup.py install
-  - coverage run --source=glances unitest.py
+  - coverage run --source=glances unitest-all.sh
 after_success:
   - coveralls

optional-requirements.txt

@@ -4,17 +4,9 @@ batinfo
 zeroconf
 netifaces
 pymdstat
-influxdb
-elasticsearch
-potsdb
-statsd
 pystache
 docker-py
 pysnmp
 pika
 py-cpuinfo
-bernhard
-cassandra-driver
 scandir
-couchdb
-pyzmq