"RuntimeError: dictionary changed size during iteration" using trace.py module
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stdlib
type-bug
- Dominant language
- Python
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Description
| BPO | 33047 |
|---|---|
| Nosy | @rhettinger, @terryjreedy, @pfmoore, @abalkin, @pitrou, @tjguk, @pmp-p, @zware, @zooba, @Delgan |
| Files |
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 2018-03-11.17:19:59.113>
labels = ['type-bug', 'library']
title = '"RuntimeError: dictionary changed size during iteration" using trace.py module'
updated_at = <Date 2018-03-17.18:28:51.406>
user = 'https://github.com/Delgan'
bugs.python.org fields:
activity = <Date 2018-03-17.18:28:51.406>
actor = 'terry.reedy'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2018-03-11.17:19:59.113>
creator = 'Delgan'
dependencies = []
files = ['47493']
hgrepos = []
issue_num = 33047
keywords = []
message_count = 6.0
messages = ['313604', '313789', '313978', '313986', '314003', '314010']
nosy_count = 10.0
nosy_names = ['rhettinger', 'terry.reedy', 'paul.moore', 'belopolsky', 'pitrou', 'tim.golden', 'pmpp', 'zach.ware', 'steve.dower', 'Delgan']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue33047'
versions = ['Python 3.6']
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reviewing the uploaded minitrace.py reproduction and the trace.py library implementation to identify where the dictionary is modified during iteration. Reproduce the reported RuntimeError, then verify that using trace.py no longer raises it under the same scenario.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100