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| author | Serhiy Storchaka <storchaka@gmail.com> | 2017-10-08 10:44:10 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-10-08 10:44:10 +0300 |
| commit | f07e2b64df6304a36fb5e29397d3c77a7ba17704 (patch) | |
| tree | ab3e39e6fd0354efc337ed87c068346b16a3f8f9 /Lib/importlib | |
| parent | 73ffd3f2036179ed54591ef0455e5ba5694ae5bd (diff) | |
| download | cpython-git-f07e2b64df6304a36fb5e29397d3c77a7ba17704.tar.gz | |
bpo-31642: Restore blocking "from" import by setting None in sys.modules. (#3834)
Diffstat (limited to 'Lib/importlib')
| -rw-r--r-- | Lib/importlib/_bootstrap.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py index 755a634465..76e1be5968 100644 --- a/Lib/importlib/_bootstrap.py +++ b/Lib/importlib/_bootstrap.py @@ -1019,7 +1019,8 @@ def _handle_fromlist(module, fromlist, import_): # Backwards-compatibility dictates we ignore failed # imports triggered by fromlist for modules that don't # exist. - if exc.name == from_name: + if (exc.name == from_name and + sys.modules.get(from_name, _NEEDS_LOADING) is not None): continue raise return module |