'Google Book api , gTTs, googletrans, PyPDF4
I have used Google Book API, gTTs, googletrans, and PyPDF4 in my Django Project. I am trying to draw a Data Flow Diagram of my project. I am confused about the diagram should I draw like

My problem is that I want to know, It is valid to do as I have done in the image. Can I use API and module as a data store in Data Flow Diagram?
please help me to figure it out
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