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Before submitting a PR, please, make sure that:

• Changes are in a separate branch, not in master.
• The branch contains only one commit on top of master (if not, squash them into one commit).
• The commit has a descriptive commit message with a concise title (first line).
• The commit message contains fixes #XXXX or closes #XXXX to auto-close the issue(s) that the PR fixes (if any).
• Tests for the changes have been added (for bug fixes / features).
• Documentation has been added / updated (if applicable).
• All new and existing tests passed locally (if not, fix them first and amend the commit).

IMPORTANT: Please review the CONTRIBUTING.md file for detailed contributing guidelines.

PLEASE REMOVE THIS TEMPLATE BEFORE SUBMITTING