pdbrc is read twice if current directory is the home directory

[blueyed]

BPO	36563
Nosy	@blueyed
PRs	gh-80744: pdb: do not read .pdbrc twice when in $HOME #12731

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2019-04-08.16:31:36.019>
labels = ['library', '3.9']
title = 'pdbrc is read twice if current directory is the home directory'
updated_at = <Date 2019-04-08.16:35:02.595>
user = 'https://github.com/blueyed'

bugs.python.org fields:

activity = <Date 2019-04-08.16:35:02.595>
actor = 'blueyed'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2019-04-08.16:31:36.019>
creator = 'blueyed'
dependencies = []
files = []
hgrepos = []
issue_num = 36563
keywords = ['patch']
message_count = 1.0
messages = ['339657']
nosy_count = 1.0
nosy_names = ['blueyed']
pr_nums = ['12731']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue36563'
versions = ['Python 3.9']

Linked PRs

• gh-80744: do not read .pdbrc twice when cwd == $home #136816

[blueyed]

If $HOME is $PWD, .pdbrc is read twice.

This confused me when seeing intentional errors from there twice during tests.

It should be only read once.