Define PYTHONPATH without using PYTHONPATH
Define PYTHONPATH without using PYTHONPATH

Travis CI does not define PYTHONPATH so we explicitly specify it.

FFIG/ffig,FFIG/ffig,FFIG/ffig,FFIG/ffig,FFIG/ffig,FFIG/ffig,jbcoe/C_API_generation,FFIG/ffig,jbcoe/C_API_generation,jbcoe/C_API_generation,FFIG/ffig,jbcoe/C_API_generation