code: def __init__(self, config: AWSConfig):
      self.config = config
      self._compute = AWSCompute(self.config)
      self._check_credentials()
  
file_path: dstack/src/dstack/_internal/core/backends/aws/__init__.py
imports: import botocore.exceptions
  from dstack._internal.core.backends.aws.compute import AWSCompute
  from dstack._internal.core.backends.aws.config import AWSConfig
  from dstack._internal.core.backends.base import Backend
  from dstack._internal.core.errors import BackendInvalidCredentialsError
  from dstack._internal.core.models.backends.base import BackendType
label_desc: Use image node_id 1 to create a new AWSBackend object from inherited base classes: Backend with example: obj = AWSBackend(config)