IntegrityError: duplicate key value violates unique constraint "release_files_blake2_256_digest_key"
DETAIL:  Key (blake2_256_digest)=(1d31e5fd783d7ce96471b6d66ba3dd59e3e0722811ecbf5c19173a5194be514c) already exists.

  File "sqlalchemy/engine/base.py", line 1182, in _execute_context
    context)
  File "sqlalchemy/engine/default.py", line 470, in do_execute
    cursor.execute(statement, parameters)

IntegrityError: (psycopg2.IntegrityError) duplicate key value violates unique constraint "release_files_blake2_256_digest_key"
DETAIL:  Key (blake2_256_digest)=(1d31e5fd783d7ce96471b6d66ba3dd59e3e0722811ecbf5c19173a5194be514c) already exists.
 [SQL: 'INSERT INTO release_files (name, version, python_version, requires_python, packagetype, comment_text, filename, path, size, has_signature, md5_digest, sha256_digest, blake2_256_digest) VALUES (%(name)s, %(version)s, %(python_version)s, %(requires_python)s, %(packagetype)s, %(comment_text)s, %(filename)s, %(path)s, %(size)s, %(has_signature)s, %(md5_digest)s, %(sha256_digest)s, %(blake2_256_digest)s) RETURNING release_files.id'] [parameters: {'name': 'treelite', 'version': '0.1a1', 'python_version': 'cp27', 'requires_python': None, 'packagetype': 'bdist_wheel', 'comment_text': '', 'filename': 'treelite-0.1a3-cp27-cp27m-macosx_10_6_intel.whl', 'path': '1d/31/e5fd783d7ce96471b6d66ba3dd59e3e0722811ecbf5c19173a5194be514c/treelite-0.1a3-cp27-cp27m-macosx_10_6_intel.whl', 'size': 1574670, 'has_signature': False, 'md5_digest': '32229792ce7968ecd29f9b099cb69644', 'sha256_digest': 'eea762a38b556c0a1f76640be5fcea73eb897d67dc5006dbe590162fbdc5bdea', 'blake2_256_digest': '1d31e5fd783d7ce96471b6d66ba3dd59e3e0722811ecbf5c19173a5194be514c'}]
(44 additional frame(s) were not displayed)
...
  File "warehouse/config.py", line 85, in require_https_tween
    return handler(request)
  File "warehouse/static.py", line 78, in whitenoise_tween
    return handler(request)
  File "warehouse/utils/compression.py", line 93, in compression_tween
    response = handler(request)
  File "warehouse/raven.py", line 41, in raven_tween
    return handler(request)
  File "warehouse/cache/http.py", line 69, in conditional_http_tween
    response = handler(request)

IntegrityError: (psycopg2.IntegrityError) duplicate key value violates unique constraint "release_files_blake2_256_digest_key"
DETAIL:  Key (blake2_256_digest)=(1d31e5fd783d7ce96471b6d66ba3dd59e3e0722811ecbf5c19173a5194be514c) already exists.
 [SQL: 'INSERT INTO release_files (name, version, python_version, requires_python, packagetype, comment_text, filename, path, size, has_signature, md5_digest, sha256_digest, blake2_256_digest) VALUES (%(name)s, %(version)s, %(python_version)s, %(requires_python)s, %(packagetype)s, %(comment_text)s, %(filename)s, %(path)s, %(size)s, %(has_signature)s, %(md5_digest)s, %(sha256_digest)s, %(blake2_256_digest)s) RETURNING release_files.id'] [parameters: {'name': 'treelite', 'version': '0.1a1', 'python_version': 'cp27', 'requires_python': None, 'packagetype': 'bdist_wheel', 'comment_text': '', 'filename': 'treelite-0.1a3-cp27-cp27m-macosx_10_6_intel.whl', 'path': '1d/31/e5fd783d7ce96471b6d66ba3dd59e3e0722811ecbf5c19173a5194be514c/treelite-0.1a3-cp27-cp27m-macosx_10_6_intel.whl', 'size': 1574670, 'has_signature': False, 'md5_digest': '32229792ce7968ecd29f9b099cb69644', 'sha256_digest': 'eea762a38b556c0a1f76640be5fcea73eb897d67dc5006dbe590162fbdc5bdea', 'blake2_256_digest': '1d31e5fd783d7ce96471b6d66ba3dd59e3e0722811ecbf5c19173a5194be514c'}]