[Python] BiomartException: Query ERROR for existing dataset in BioMart

I am trying to fetch protein sequences for a list of gene IDs using from BioMart API using the Python code:

def fetch_protein_sequences(gene_ids):
dataset = Dataset(name='taestivum_eg_gene', host='http://plants.ensembl.org')
# Fetch protein sequences
response = dataset.query(
attributes=[
'ensembl_gene_id',
'peptide'
],
filters={'gene_id': gene_ids}
)
return response

# Read gene IDs from file
with open('gene_ids.txt') as f:
gene_ids = [line.strip() for line in f]

# Fetch protein sequences
protein_sequences = fetch_protein_sequences(gene_ids)


but keep enoutering

BiomartException: Query ERROR: caught BioMart::Exception::Usage: WITHIN Virtual Schema : default, Dataset taestivum_eg_gene NOT FOUND


Verified dateset and attributes using:

server = Server(host='http://plants.ensembl.org')
for dataset in server.marts['plants_mart'].datasets:
print(dataset)


Could someone please help me understand why I am seeing this error?

Thank you in advance!

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