Try to make Travis happy
Try to make Travis happy

symengine/symengine.rb,symengine/symengine.rb,isuruf/symengine.rb,isuruf/symengine.rb,symengine/symengine.rb,abinashmeher999/symengine.rb,abinashmeher999/symengine.rb,rajithv/symengine.rb,rajithv/symengine.rb,rajithv/symengine.rb,abinashmeher999/symengine.rb,isuruf/symengine.rb