ImportError: cannot import name 'attribute_list' az login with service principal #31915
Description
Describe the bug
ImportError: cannot import name 'attribute_list' from 'azure.core.serialization' when using az login with service principal
Related command
az login --service-principal -u -p --tenant
Errors
ERROR: The command failed with an unexpected error. Here is the traceback:
ERROR: cannot import name 'attribute_list' from 'azure.core.serialization' (/databricks/python/lib/python3.12/site-packages/azure/core/serialization.py)
Traceback (most recent call last):
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 666, in execute
raise ex
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 719, in _run_job
result = todict(result, AzCliCommandInvoker.remove_additional_prop_layer)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/util.py", line 647, in todict
from azure.core.serialization import attribute_list
ImportError: cannot import name 'attribute_list' from 'azure.core.serialization' (/databricks/python/lib/python3.12/site-packages/azure/core/serialization.py)
Issue script & Debug output
DEBUG: cli.knack.cli: Command arguments: ['login', '--service-principal', '--username=[REDACTED]', '--password=[REDACTED]', '--tenant=[REDACTED]', '--debug']
DEBUG: cli.knack.cli: init debug log:
Cannot enable color.
DEBUG: cli.knack.cli: Event: Cli.PreExecute []
DEBUG: cli.knack.cli: Event: CommandParser.OnGlobalArgumentsCreate [<function CLILogging.on_global_arguments at 0x7f345981fc40>, <function OutputProducer.on_global_arguments at 0x7f345958f4c0>, <function CLIQuery.on_global_arguments at 0x7f34595d8ae0>]
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPreCommandTableCreate []
DEBUG: cli.azure.cli.core: Modules found from index for 'login': ['azure.cli.command_modules.profile']
DEBUG: cli.azure.cli.core: Loading command modules:
DEBUG: cli.azure.cli.core: Name Load Time Groups Commands
DEBUG: cli.azure.cli.core: profile 0.002 2 8
DEBUG: cli.azure.cli.core: Total (1) 0.002 2 8
DEBUG: cli.azure.cli.core: Loaded 2 groups, 8 commands.
DEBUG: cli.azure.cli.core: Found a match in the command table.
DEBUG: cli.azure.cli.core: Raw command : login
DEBUG: cli.azure.cli.core: Command table: login
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPreCommandTableTruncate [<function AzCliLogging.init_command_file_logging at 0x7f34587fa0c0>]
DEBUG: cli.azure.cli.core.azlogging: metadata file logging enabled - writing logs to '/root/.azure/commands/2025-08-05.11-14-30.login.7120.log'.
INFO: az_command_data_logger: command args: login --service-principal --username={} --password={} --tenant={} --debug
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPreArgumentLoad [<function register_global_subscription_argument..add_subscription_parameter at 0x7f34588339c0>]
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPostArgumentLoad []
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPostCommandTableCreate [<function register_ids_argument..add_ids_arguments at 0x7f3458665b20>, <function register_cache_arguments..add_cache_arguments at 0x7f3458665c60>, <function register_upcoming_breaking_change_info..update_breaking_change_info at 0x7f3458665d00>]
DEBUG: cli.knack.cli: Event: CommandInvoker.OnCommandTableLoaded []
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPreParseArgs []
DEBUG: cli.knack.cli: Event: CommandInvoker.OnPostParseArgs [<function OutputProducer.handle_output_argument at 0x7f345958f560>, <function CLIQuery.handle_query_parameter at 0x7f34595d8b80>, <function register_ids_argument..parse_ids_arguments at 0x7f3458665bc0>]
DEBUG: cli.azure.cli.core.auth.persistence: build_persistence: location='/root/.azure/msal_token_cache.json', encrypt=False
DEBUG: cli.azure.cli.core.auth.binary_cache: load: /root/.azure/msal_http_cache.bin
DEBUG: urllib3.util.retry: Converted retries value: 1 -> Retry(total=1, connect=None, read=None, redirect=None, status=None)
DEBUG: msal.authority: Initializing with Entra authority: https://login.microsoftonline.com/[REDACTED]
DEBUG: msal.authority: openid_config("https://login.microsoftonline.com/[REDACTED]/v2.0/.well-known/openid-configuration") = {'token_endpoint': 'https://login.microsoftonline.com/[REDACTED]/oauth2/v2.0/token', 'token_endpoint_auth_methods_supported': ['client_secret_post', 'private_key_jwt', 'client_secret_basic'], 'jwks_uri': 'https://login.microsoftonline.com/[REDACTED]/discovery/v2.0/keys', 'response_modes_supported': ['query', 'fragment', 'form_post'], 'subject_types_supported': ['pairwise'], 'id_token_signing_alg_values_supported': ['RS256'], 'response_types_supported': ['code', 'id_token', 'code id_token', 'id_token token'], 'scopes_supported': ['openid', 'profile', 'email', 'offline_access'], 'issuer': 'https://login.microsoftonline.com/[REDACTED]/v2.0', 'request_uri_parameter_supported': False, 'userinfo_endpoint': 'https://graph.microsoft.com/oidc/userinfo', 'authorization_endpoint': 'https://login.microsoftonline.com/[REDACTED]/oauth2/v2.0/authorize', 'device_authorization_endpoint': 'https://login.microsoftonline.com/[REDACTED]/oauth2/v2.0/devicecode', 'http_logout_supported': True, 'frontchannel_logout_supported': True, 'end_session_endpoint': 'https://login.microsoftonline.com/[REDACTED]/oauth2/v2.0/logout', 'claims_supported': ['sub', 'iss', 'cloud_instance_name', 'cloud_instance_host_name', 'cloud_graph_host_name', 'msgraph_host', 'aud', 'exp', 'iat', 'auth_time', 'acr', 'nonce', 'preferred_username', 'name', 'tid', 'ver', 'at_hash', 'c_hash', 'email'], 'kerberos_endpoint': 'https://login.microsoftonline.com/[REDACTED]/kerberos', 'tenant_region_scope': 'EU', 'cloud_instance_name': 'microsoftonline.com', 'cloud_graph_host_name': 'graph.windows.net', 'msgraph_host': 'graph.microsoft.com', 'rbac_url': 'https://pas.windows.net'}
DEBUG: msal.application: Broker enabled? None
DEBUG: msal.application: Region to be used: None
DEBUG: cli.azure.cli.core.auth.msal_credentials: ServicePrincipalCredential.acquire_token: scopes=['https://management.core.windows.net//.default'], kwargs={}
DEBUG: msal.application: Cache hit an AT
DEBUG: msal.telemetry: Generate or reuse correlation_id: 622a4ea9-edd4-41f7-90d9-80539980af21
DEBUG: cli.azure.cli.core.auth.persistence: build_persistence: location='/root/.azure/service_principal_entries.json', encrypt=False
DEBUG: urllib3.util.retry: Converted retries value: 1 -> Retry(total=1, connect=None, read=None, redirect=None, status=None)
DEBUG: msal.authority: Initializing with Entra authority: https://login.microsoftonline.com/[REDACTED]
DEBUG: msal.authority: openid_config("https://login.microsoftonline.com/[REDACTED]/v2.0/.well-known/openid-configuration") = {'token_endpoint': 'https://login.microsoftonline.com/[REDACTED]/oauth2/v2.0/token', 'token_endpoint_auth_methods_supported': ['client_secret_post', 'private_key_jwt', 'client_secret_basic'], 'jwks_uri': 'https://login.microsoftonline.com/[REDACTED]/discovery/v2.0/keys', 'response_modes_supported': ['query', 'fragment', 'form_post'], 'subject_types_supported': ['pairwise'], 'id_token_signing_alg_values_supported': ['RS256'], 'response_types_supported': ['code', 'id_token', 'code id_token', 'id_token token'], 'scopes_supported': ['openid', 'profile', 'email', 'offline_access'], 'issuer': 'https://login.microsoftonline.com/[REDACTED]/v2.0', 'request_uri_parameter_supported': False, 'userinfo_endpoint': 'https://graph.microsoft.com/oidc/userinfo', 'authorization_endpoint': 'https://login.microsoftonline.com/[REDACTED]/oauth2/v2.0/authorize', 'device_authorization_endpoint': 'https://login.microsoftonline.com/[REDACTED]/oauth2/v2.0/devicecode', 'http_logout_supported': True, 'frontchannel_logout_supported': True, 'end_session_endpoint': 'https://login.microsoftonline.com/[REDACTED]/oauth2/v2.0/logout', 'claims_supported': ['sub', 'iss', 'cloud_instance_name', 'cloud_instance_host_name', 'cloud_graph_host_name', 'msgraph_host', 'aud', 'exp', 'iat', 'auth_time', 'acr', 'nonce', 'preferred_username', 'name', 'tid', 'ver', 'at_hash', 'c_hash', 'email'], 'kerberos_endpoint': 'https://login.microsoftonline.com/[REDACTED]/kerberos', 'tenant_region_scope': 'EU', 'cloud_instance_name': 'microsoftonline.com', 'cloud_graph_host_name': 'graph.windows.net', 'msgraph_host': 'graph.microsoft.com', 'rbac_url': 'https://pas.windows.net'}
DEBUG: msal.application: Broker enabled? None
DEBUG: msal.application: Region to be used: None
DEBUG: cli.azure.cli.core.auth.credential_adaptor: CredentialAdaptor.get_token_info: scopes=('https://management.core.windows.net//.default',), options={}
DEBUG: cli.azure.cli.core.auth.msal_credentials: ServicePrincipalCredential.acquire_token: scopes=['https://management.core.windows.net//.default'], kwargs={}
DEBUG: msal.application: Cache hit an AT
DEBUG: msal.telemetry: Generate or reuse correlation_id:
DEBUG: cli.azure.cli.core.sdk.policies: Request URL: 'https://management.azure.com/subscriptions?api-version=2022-12-01'
DEBUG: cli.azure.cli.core.sdk.policies: Request method: 'GET'
DEBUG: cli.azure.cli.core.sdk.policies: Request headers:
DEBUG: cli.azure.cli.core.sdk.policies: 'Accept': 'application/json'
DEBUG: cli.azure.cli.core.sdk.policies: 'x-ms-client-request-id': ''
DEBUG: cli.azure.cli.core.sdk.policies: 'CommandName': 'login'
DEBUG: cli.azure.cli.core.sdk.policies: 'ParameterSetName': '--service-principal --username --password --tenant --debug'
DEBUG: cli.azure.cli.core.sdk.policies: 'User-Agent': 'AZURECLI/2.76.0 (PIP) azsdk-python-core/1.34.0 Python/3.12.3 (Linux-5.15.0-1091-azure-x86_64-with-glibc2.39)'
DEBUG: cli.azure.cli.core.sdk.policies: 'Authorization': '*****'
DEBUG: cli.azure.cli.core.sdk.policies: Request body:
DEBUG: cli.azure.cli.core.sdk.policies: This request has no body
DEBUG: urllib3.connectionpool: Starting new HTTPS connection (1): management.azure.com:443
DEBUG: urllib3.connectionpool: https://management.azure.com:443 "GET /subscriptions?api-version=2022-12-01 HTTP/1.1" 200 496
DEBUG: cli.azure.cli.core.sdk.policies: Response status: 200
DEBUG: cli.azure.cli.core.sdk.policies: Response headers:
DEBUG: cli.azure.cli.core.sdk.policies: 'Cache-Control': 'no-cache'
DEBUG: cli.azure.cli.core.sdk.policies: 'Pragma': 'no-cache'
DEBUG: cli.azure.cli.core.sdk.policies: 'Content-Length': '496'
DEBUG: cli.azure.cli.core.sdk.policies: 'Content-Type': 'application/json; charset=utf-8'
DEBUG: cli.azure.cli.core.sdk.policies: 'Expires': '-1'
DEBUG: cli.azure.cli.core.sdk.policies: 'x-ms-ratelimit-remaining-tenant-reads': '249'
DEBUG: cli.azure.cli.core.sdk.policies: 'x-ms-request-id': ''
DEBUG: cli.azure.cli.core.sdk.policies: 'x-ms-correlation-request-id': ''
DEBUG: cli.azure.cli.core.sdk.policies: 'x-ms-routing-request-id': 'WESTEUROPE:'
DEBUG: cli.azure.cli.core.sdk.policies: 'Strict-Transport-Security': 'max-age=31536000; includeSubDomains'
DEBUG: cli.azure.cli.core.sdk.policies: 'X-Content-Type-Options': 'nosniff'
DEBUG: cli.azure.cli.core.sdk.policies: 'X-Cache': 'CONFIG_NOCACHE'
DEBUG: cli.azure.cli.core.sdk.policies: 'X-MSEdge-Ref': ''
DEBUG: cli.azure.cli.core.sdk.policies: 'Date': 'Tue, 05 Aug 2025 11:14:30 GMT'
DEBUG: cli.azure.cli.core.sdk.policies: Response content:
DEBUG: cli.azure.cli.core.sdk.policies: {"value":[{"id":"/subscriptions/<>","authorizationSource":"RoleBased","managedByTenants":[{"tenantId":""}],"subscriptionId":"","tenantId":"[REDACTED]","displayName":"","state":"Enabled","subscriptionPolicies":{"locationPlacementId":"Public_2014-09-01","quotaId":"EnterpriseAgreement_2014-09-01","spendingLimit":"Off"}}],"count":{"type":"Total","value":1}}
DEBUG: cli.azure.cli.core.azclierror: Traceback (most recent call last):
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 666, in execute
raise ex
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 719, in _run_job
result = todict(result, AzCliCommandInvoker.remove_additional_prop_layer)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/util.py", line 647, in todict
from azure.core.serialization import attribute_list
ImportError: cannot import name 'attribute_list' from 'azure.core.serialization' (/databricks/python/lib/python3.12/site-packages/azure/core/serialization.py)
ERROR: cli.azure.cli.core.azclierror: The command failed with an unexpected error. Here is the traceback:
ERROR: az_command_data_logger: The command failed with an unexpected error. Here is the traceback:
ERROR: cli.azure.cli.core.azclierror: cannot import name 'attribute_list' from 'azure.core.serialization' (/databricks/python/lib/python3.12/site-packages/azure/core/serialization.py)
Traceback (most recent call last):
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 666, in execute
raise ex
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 719, in _run_job
result = todict(result, AzCliCommandInvoker.remove_additional_prop_layer)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/util.py", line 647, in todict
from azure.core.serialization import attribute_list
ImportError: cannot import name 'attribute_list' from 'azure.core.serialization' (/databricks/python/lib/python3.12/site-packages/azure/core/serialization.py)
ERROR: az_command_data_logger: cannot import name 'attribute_list' from 'azure.core.serialization' (/databricks/python/lib/python3.12/site-packages/azure/core/serialization.py)
Traceback (most recent call last):
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 666, in execute
raise ex
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/commands/init.py", line 719, in _run_job
result = todict(result, AzCliCommandInvoker.remove_additional_prop_layer)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/core/util.py", line 647, in todict
from azure.core.serialization import attribute_list
ImportError: cannot import name 'attribute_list' from 'azure.core.serialization' (/databricks/python/lib/python3.12/site-packages/azure/core/serialization.py)
To check existing issues, please visit: https://github.com/Azure/azure-cli/issues
DEBUG: cli.knack.cli: Event: Cli.PostExecute [<function AzCliLogging.deinit_cmd_metadata_logging at 0x7f34587fa340>]
INFO: az_command_data_logger: exit code: 1
INFO: cli.main: Command ran in 1.076 seconds (init: 0.746, invoke: 0.329)
INFO: telemetry.main: Begin splitting cli events and extra events, total events: 1
INFO: telemetry.client: Accumulated 0 events. Flush the clients.
INFO: telemetry.main: Finish splitting cli events and extra events, cli events: 1
INFO: telemetry.save: Save telemetry record of length 8229 in cache
INFO: telemetry.main: Begin creating telemetry upload process.
INFO: telemetry.process: Creating upload process: "/local_disk0/.ephemeral_nfs/cluster_libraries/python/bin/python /local_disk0/.ephemeral_nfs/cluster_libraries/python/lib/python3.12/site-packages/azure/cli/telemetry/init.py /root/.azure"
INFO: telemetry.process: Return from creating process
INFO: telemetry.main: Finish creating telemetry upload process.
Expected behavior
At least no error
Environment Summary
azure-cli 2.76.0
core 2.76.0
telemetry 1.1.0
Dependencies:
msal 1.33.0b1
azure-mgmt-resource 23.3.0
Python location '/local_disk0/.ephemeral_nfs/cluster_libraries/python/bin/python'
Config directory '/root/.azure'
Extensions directory '/root/.azure/cliextensions'
Python (Linux) 3.12.3 (main, Jun 18 2025, 17:59:45) [GCC 13.3.0]
Legal docs and information: aka.ms/AzureCliLegal
Your CLI is up-to-date.
Additional context
Azure databricks west europe