File not found error

Nice work! 

But there seems to a be missing file in the **data** folder. 

File "/home/netra-mobile/Desktop/XA4C/src/XA4C.py", line 297, in XAI4AE
    gene_id_name_dict = json.load(open("../data/gencode.v26.annotation.3genes.ENSG.Symbol.short.json","r"))
FileNotFoundError: [Errno 2] No such file or directory: '../data/gencode.v26.annotation.3genes.ENSG.Symbol.short.json'