'Python - programatically editable PDF form

I am working on a project and one of the tasks the application has to do is to fill an editable pdf form, with data collected from the database.

The problem is that I can't seem to be able to open the PDF file to read it. When I open it in Chrome I see a message that says:

The document you are trying to load requires Adobe Reader 8 or higher. You may not have the 
Adobe Reader installed or your viewing environment may not be properly configured to use 

Adobe Reader. 

  

For information on how to install Adobe Reader and configure your viewing environment please 

see  http://www.adobe.com/go/pdf_forms_configure.

The thing is that I see the same thing in Python, when I try to read from it, I get the same message:

enter image description here

I tried various libraries like PyPDF2, pdfrw and fillpdf but to no avail.

The problematic form is this one. In order to properly view its contents I use Adobe Acrobat Reader DC, but I also need to find a way to fill it programatically.

Please help me get to the bottom of this! Thanks in advance!



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