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[lgtm-com[bot]]

This pull request introduces 18 alerts when merging d64fbd7cf93672a5fddb7ff0e1bc661ab3870be2 into 0078500dd90fb03a730c64d6741a6f67f4204308 - view on LGTM.com

new alerts:

• 14 for Missing rate limiting
• 2 for Unused variable, import, function or class
• 1 for Server-side URL redirect
• 1 for Missing CSRF middleware