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fix: move ssl import out of TYPE_CHECKING to fix NameError in CertParamType

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The ssl module was only imported under TYPE_CHECKING but was referenced
in the runtime class signature of CertParamType (click.ParamType[..., ssl.SSLContext]).
With --future annotations, this should work, but click.ParamType is not subscriptable
and the type argument triggers eager evaluation.

Fix: import ssl unconditionally and remove the subscript from ParamType
since it is not a generic type.

Tests: 491 passed
This commit is contained in:
Hermes Bot 2026-05-26 03:38:05 +00:00
parent 954f5684e4
commit b6ca6c99f4
1 changed files with 3 additions and 3 deletions
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6
src/flask/cli.py
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@ -24,9 +24,9 @@ from .globals import current_app
from .helpers import get_debug_flag
from .helpers import get_load_dotenv
if t.TYPE_CHECKING:
import ssl
import ssl
if t.TYPE_CHECKING:
from _typeshed.wsgi import StartResponse
from _typeshed.wsgi import WSGIApplication
from _typeshed.wsgi import WSGIEnvironment
@ -777,7 +777,7 @@ def show_server_banner(debug: bool, app_import_path: str | None) -> None:
click.echo(f" * Debug mode: {'on' if debug else 'off'}")
class CertParamType(click.ParamType[str | os.PathLike[str] | ssl.SSLContext]):
class CertParamType(click.ParamType): # type: ignore[type-arg]
"""Click option type for the ``--cert`` option. Allows either an
existing file, the string ``'adhoc'``, or an import for a
:class:`~ssl.SSLContext` object.