Update human_reference_genome.py

human_reference_genome.py

@@ -135,7 +135,7 @@ class HumanReferenceGenome(datasets.GeneratorBasedBuilder):
 
     # method parameters are unpacked from `gen_kwargs` as given in `_split_generators`
     def _generate_examples(self, filepath, split):
-        with gzip.open(filepath + 'gz', 'rt') as f:
+        with gzip.open(filepath, 'rt') as f:
             fasta_sequences = SeqIO.parse(f, 'fasta')
             # regex to filter lines of interest in the FASTA
             prog = re.compile("NC_\d*.\d* Homo sapiens chromosome (\d*|\w), GRCh38.p14 Primary Assembly")