def GetPrivateKey(self, signer_uri):
    return self.key_retriever.LookupPrivateKey(signer_uri)
Append the sample_genotype_counts from a chunk_db
dataset/ETHPy150Open mimecuvalo/helloworld/packages/magicsig/__init__.py/MagicEnvelopeProtocol.GetPrivateKey--crossover with--dataset/ETHPy150Open arq5x/gemini/gemini/gemini_merge_chunks.py/append_sample_genotype_counts