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Swap 'if' branches so content matches to condition in importlib example (GH-14947)

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Prior to this change the guard on an 'elif' used an assignment expression whose value was used in a later 'else' block, causing some confusion for people.

(Discussion on Twitter: https://twitter.com/brettsky/status/1153861041068994566.)

Automerge-Triggered-By: @brettcannon
(cherry picked from commit 544fa15ea1)

Co-authored-by: Tzu-ping Chung <uranusjr@gmail.com>
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Miss Islington (bot) 2019-07-25 10:27:59 -07:00 • committed by GitHub
parent 25cb4fd4fb
commit c594c274e9
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Doc/library/importlib.rst
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@ -1640,14 +1640,14 @@ import, then you should use :func:`importlib.util.find_spec`.
if name in sys.modules: if name in sys.modules:
print(f"{name!r} already in sys.modules") print(f"{name!r} already in sys.modules")
elif (spec := importlib.util.find_spec(name)) is None: elif (spec := importlib.util.find_spec(name)) is not None:
print(f"can't find the {name!r} module")
else:
# If you chose to perform the actual import ... # If you chose to perform the actual import ...
module = importlib.util.module_from_spec(spec) module = importlib.util.module_from_spec(spec)
sys.modules[name] = module sys.modules[name] = module
spec.loader.exec_module(module) spec.loader.exec_module(module)
print(f"{name!r} has been imported") print(f"{name!r} has been imported")
else:
print(f"can't find the {name!r} module")
Importing a source file directly Importing a source file directly