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from .securitygroup import (
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open_provider_port, close_provider_port, get_provider_opened_ports,
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remove_security_groups, destroy_environment_security_group)
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from .utils import convert_zone, get_region_uri, DEFAULT_REGION, INSTANCE_TYPES
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convert_zone, get_region_uri, DEFAULT_REGION, INSTANCE_TYPES, log)
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class MachineProvider(MachineProviderBase):