"An ModuleNotFoundError" appears several times in this document, likely because in the previous version it used to be "An ImportError".
"An path" also appears.
These instances of "an" should be "a" instead.

(Second attempt at this pull request; python#1814 was on the wrong branch)

Mariatta pushed a commit to Mariatta/cpython that referenced this pull request

Replace `an ModuleNotFoundError` with `a ModuleNotFoundError`.
Replace `an path` with `a path`.
(cherry picked from commit 9c972b5)

Mariatta added a commit that referenced this pull request

Replace `an ModuleNotFoundError` with `a ModuleNotFoundError`.
Replace `an path` with `a path`.
(cherry picked from commit 9c972b5)