python/examples/sigeval: small updates
python/examples/sigeval: small updates

yv/bllip-parser,BLLIP/bllip-parser,BLLIP/bllip-parser,dmcc/bllip-parser,BLLIP/bllip-parser,antimatter15/charniak-emscripten,dmcc/bllip-parser,antimatter15/charniak-emscripten,yv/bllip-parser,antimatter15/charniak-emscripten,BLLIP/bllip-parser,dmcc/bllip-parser,antimatter15/charniak-emscripten,BLLIP/bllip-parser,dmcc/bllip-parser,dmcc/bllip-parser,antimatter15/charniak-emscripten,yv/bllip-parser,BLLIP/bllip-parser,antimatter15/charniak-emscripten,antimatter15/charniak-emscripten,BLLIP/bllip-parser,yv/bllip-parser,dmcc/bllip-parser,yv/bllip-parser,yv/bllip-parser,dmcc/bllip-parser,yv/bllip-parser,BLLIP/bllip-parser,antimatter15/charniak-emscripten,yv/bllip-parser,antimatter15/charniak-emscripten,dmcc/bllip-parser,antimatter15/charniak-emscripten