django-concurrency
                                Optimistic lock implementation for Django. Prevents users from doing concurrent editing.
                            
                        How to download and setup django-concurrency
Open terminal and run command
                                            git clone https://github.com/saxix/django-concurrency.git
                                        
                                        git clone is used to create a copy or clone of django-concurrency repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with django-concurrency https://github.com/saxix/django-concurrency/archive/master.zip
Or simply clone django-concurrency with SSH
                                            [email protected]:saxix/django-concurrency.git                                    
                                    If you have some problems with django-concurrency
You may open issue on django-concurrency support forum (system) here: https://github.com/saxix/django-concurrency/issuesSimilar to django-concurrency repositories
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