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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def patch_db_connections():
 """ This wraps django.db.connections._connections with a TaskLocal object. The Django transactions are only thread-safe, using threading.local, and don't know about coroutines. """


    global __already_patched

    if not __already_patched:
        from django.db import connections

        connections._connections = local(connections._connections)
        __already_patched = True