id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,active_lock_reason,draft,pull_request,body,reactions,performed_via_github_app,state_reason,repo,type
606823874,MDExOlB1bGxSZXF1ZXN0NDA4OTQ3MjQ0,4006,fix dangerous default arguments,40136154,closed,0,,,3,2020-04-25T18:05:11Z,2020-05-23T17:41:56Z,2020-05-23T17:30:51Z,CONTRIBUTOR,,0,pydata/xarray/pulls/4006,"<!-- Feel free to remove check-list items aren't relevant to your change -->

 - [x] Closes #4002 
 - [ ] Passes `isort -rc . && black . && mypy . && flake8`
 - [ ] Fully documented, including `whats-new.rst` for all changes and `api.rst` for new API
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613516581,MDExOlB1bGxSZXF1ZXN0NDE0MjU1NDg3,4038,Use literal syntax instead of function calls to create the data structure,40136154,closed,0,,,1,2020-05-06T18:17:40Z,2020-05-06T22:55:40Z,2020-05-06T22:55:40Z,CONTRIBUTOR,,0,pydata/xarray/pulls/4038,"
<!-- Feel free to remove check-list items aren't relevant to your change -->

 - [x] Passes `isort -rc . && black . && mypy . && flake8`
 - [x] Fully documented, including `whats-new.rst` for all changes and `api.rst` for new API
---
It is slower to call e.g. `list()` than using the empty literal, because the name list must be looked up in the global scope in case it has been rebound. Same for the other two types like `dict()` and `tuple()`.","{""url"": ""https://api.github.com/repos/pydata/xarray/issues/4038/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,,13221727,pull
605921766,MDExOlB1bGxSZXF1ZXN0NDA4MjM4MDUw,3999,Fix some code quality and bug-risk issues,40136154,closed,0,,,3,2020-04-23T22:46:31Z,2020-05-05T02:21:12Z,2020-04-24T07:14:55Z,CONTRIBUTOR,,0,pydata/xarray/pulls/3999,"- Fix dangerous default argument
- Remove unnecessary comprehension
---

Find the other issues found here - [https://deepsource.io/gh/pnijhara/xarray/issues/?category=all](https://deepsource.io/gh/pnijhara/xarray/issues/?category=all)
This PR also adds `.deepsource.toml` configuration file to run DeepSource analysis on the repo with. Upon enabling DeepSource, the analysis will run on every PR and commit to detect 560+ types of issues in the changes — including bug risks, anti-patterns, security vulnerabilities, etc.

To enable DeepSource analysis after merging this PR, please follow these steps:

1. [Signup](https://deepsource.io/signup/) on DeepSource with your GitHub account and grant access to this repo.
2. Activate analysis on this repo [here](http://deepsource.io/gh/pydata/xarray)

You can also look at the [docs](https://deepsource.io/docs/guides/quickstart.html) for more details. Do let me know if I can be of any help!
","{""url"": ""https://api.github.com/repos/pydata/xarray/issues/3999/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,,13221727,pull
611850402,MDExOlB1bGxSZXF1ZXN0NDEyOTMxNjc1,4026,chore: Remove unnecessary comprehension,40136154,closed,0,,,5,2020-05-04T12:49:41Z,2020-05-05T01:57:32Z,2020-05-05T01:57:31Z,CONTRIBUTOR,,0,pydata/xarray/pulls/4026,"<!-- Feel free to remove check-list items aren't relevant to your change -->
 - [x] Passes `isort -rc . && black . && mypy . && flake8`
 - [x] Fully documented, including `whats-new.rst` for all changes and `api.rst` for new API
","{""url"": ""https://api.github.com/repos/pydata/xarray/issues/4026/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,,13221727,pull
606822020,MDExOlB1bGxSZXF1ZXN0NDA4OTQ1ODk4,4005,Fix dangerous default argument,40136154,closed,0,,,0,2020-04-25T17:55:07Z,2020-04-25T17:58:24Z,2020-04-25T17:55:32Z,CONTRIBUTOR,,0,pydata/xarray/pulls/4005,"<!-- Feel free to remove check-list items aren't relevant to your change -->

 - [x] Closes #4002 
 - [ ] Tests added
 - [ ] Passes `isort -rc . && black . && mypy . && flake8`
 - [ ] Fully documented, including `whats-new.rst` for all changes and `api.rst` for new API
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