Python で Google Cloud Storage と、BigQuery を使う過程でのエラー

python3 -m pip install --upgrade google-cloud-storage

---
Successfully installed google-api-core-1.3.0 google-cloud-core-0.28.1 google-cloud-storage-1.11.0 google-resumable-media-0.3.1 googleapis-common-protos-1.5.3 protobuf-3.6.1 requests-2.19.1

google.auth.exceptions.DefaultCredentialsError: Could not automatically determine credentials. Please set GOOGLE_APPLICATION_CREDENTIALS or
explicitly create credential and re-run the application. For more
information, please see

  File "/usr/local/lib/python3.6/site-packages/google/auth/_default.py", line 292, in default
    raise exceptions.DefaultCredentialsError(_HELP_MESSAGE)
google.auth.exceptions.DefaultCredentialsError: Could not automatically determine credentials. Please set GOOGLE_APPLICATION_CREDENTIALS or
explicitly create credential and re-run the application. For more
information, please see
https://developers.google.com/accounts/docs/application-default-credentials.

    import os
    os.environ['GOOGLE_APPLICATION_CREDENTIALS'] = './client_credentials.json'

    # Explicitly use service account credentials by specifying the private key
    # file.
    storage_client = storage.Client.from_service_account_json(
        'service_account.json')

export GOOGLE_APPLICATION_CREDENTIALS="/Users/xxxxxxxxxx/keys//client_credentials.json"

  File "/usr/local/lib/python3.6/site-packages/google/cloud/_http.py", line 293, in api_request
    raise exceptions.from_http_response(response)
google.api_core.exceptions.Forbidden: 403 GET https://www.googleapis.com/storage/v1/b/xxxxxxxxxxxxxxxxxxxxxx.appspot.com?projection=noAcl: xxxxxxxxxxxxxx@Xxxxxxxxxxxxx.iam.gserviceaccount.com does not have storage.buckets.get access to xxxxxxxxxxxxxxxxxxxxxxx.appspot.com.   

python3 -m pip install --upgrade google-cloud-bigquery

----------
Installing collected packages: google-cloud-bigquery
Successfully installed google-cloud-bigquery-1.5.0
----------

google.api_core.exceptions.BadRequest: 400 POST https://www.googleapis.com/bigquery/v2/projects/xxxxxxxxxxxx/jobs: Invalid dataset ID "xxxxxxxxx-xxxxxxxxxx". Dataset IDs must be alphanumeric (plus underscores) and must be at most 1024 characters long.

    return super(_AsyncJob, self).result(timeout=timeout)
  File "/usr/local/lib/python3.6/site-packages/google/api_core/future/polling.py", line 120, in result
    raise self._exception
google.api_core.exceptions.NotFound: 404 Not found: Dataset xxxxxxxxx:table was not found in location US

    raise exceptions.from_http_response(response)
google.api_core.exceptions.NotFound: 404 GET https://www.googleapis.com/bigquery/v2/projects/xxxxxxxxxxx/datasets/aaaa/tables/column_name: Not found: Table xxxxxxxxxxx:aaaa.column_name     

Billing has not been enabled for this project. Enable billing at https://console.cloud.google.com/billing

  File "/usr/local/lib/python3.6/site-packages/google/api_core/future/polling.py", line 120, in result
    raise self._exception
google.api_core.exceptions.BadRequest: 400 Invalid schema update. Cannot add fields (field: fileName)