from google.cloud import storage

BUCKET_NAME="crwilcox"
BLOB_NAME="blob.txt"
storage_client = storage.Client()
bucket = storage_client.bucket(BUCKET_NAME)
blob = bucket.blob(BLOB_NAME)
blob_text = blob.download_as_text()

blob_text += "edit"
blob.upload_from_string(blob_text)

Traceback (most recent call last):
  File "/home/crwilcox/workspace/python-playground/venv39/lib/python3.9/site-packages/google/cloud/storage/blob.py", line 2488, in upload_from_file
    created_json = self._do_upload(
  File "/home/crwilcox/workspace/python-playground/venv39/lib/python3.9/site-packages/google/cloud/storage/blob.py", line 2290, in _do_upload
    response = self._do_multipart_upload(
  File "/home/crwilcox/workspace/python-playground/venv39/lib/python3.9/site-packages/google/cloud/storage/blob.py", line 1823, in _do_multipart_upload
    response = upload.transmit(
  File "/home/crwilcox/workspace/python-playground/venv39/lib/python3.9/site-packages/google/resumable_media/requests/upload.py", line 149, in transmit
    self._process_response(response)
  File "/home/crwilcox/workspace/python-playground/venv39/lib/python3.9/site-packages/google/resumable_media/_upload.py", line 116, in _process_response
    _helpers.require_status_code(response, (http_client.OK,), self._get_status_code)
  File "/home/crwilcox/workspace/python-playground/venv39/lib/python3.9/site-packages/google/resumable_media/_helpers.py", line 99, in require_status_code
    raise common.InvalidResponse(
google.resumable_media.common.InvalidResponse: ('Request failed with status code', 400, 'Expected one of', <HTTPStatus.OK: 200>)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/crwilcox/workspace/python-playground/bucket_blob_test.py", line 11, in <module>
    blob.upload_from_string(blob_text)
  File "/home/crwilcox/workspace/python-playground/venv39/lib/python3.9/site-packages/google/cloud/storage/blob.py", line 2761, in upload_from_string
    self.upload_from_file(
  File "/home/crwilcox/workspace/python-playground/venv39/lib/python3.9/site-packages/google/cloud/storage/blob.py", line 2505, in upload_from_file
    _raise_from_invalid_response(exc)
  File "/home/crwilcox/workspace/python-playground/venv39/lib/python3.9/site-packages/google/cloud/storage/blob.py", line 4271, in _raise_from_invalid_response
    raise exceptions.from_http_status(response.status_code, message, response=response)
google.api_core.exceptions.BadRequest: 400 POST https://storage.googleapis.com/upload/storage/v1/b/crwilcox/o?uploadType=multipart: {
  "error": {
    "code": 400,
    "message": "Provided CRC32C \"9+rL+w==\" doesn't match calculated CRC32C \"ueIORg==\".",
    "errors": [
      {
        "message": "Provided CRC32C \"9+rL+w==\" doesn't match calculated CRC32C \"ueIORg==\".",
        "domain": "global",
        "reason": "invalid"
      }
    ]
  }
}
: ('Request failed with status code', 400, 'Expected one of', <HTTPStatus.OK: 200>)

blob = bucket.blob(BLOB_NAME)
blob_text = blob.download_as_text()
blob = bucket.blob(BLOB_NAME)
blob_text += "edit"
blob.upload_from_string(blob_text)

google-api-core==1.30.0
google-auth==1.32.1
google-cloud-core==1.7.1
google-cloud-storage==1.40.0
google-crc32c==1.1.2
google-resumable-media==1.3.1
googleapis-common-protos==1.53.0