Empty output with default parameters

[karthikgali]

Summary
When I tried to upload a simple Image PDF to Parsr. I am getting blank output with default parameters

Steps To Reproduce
Steps to reproduce the behavior:
Input:
1stpage.pdf

Output txt:
1stpage.txt

Output Json:
{"metadata":[],"pages":[{"margins":{"top":-1,"left":-1,"bottom":-1,"right":-1},"box":{"l":0,"t":0,"w":612,"h":792},"rotation":{"degrees":0,"origin":{"x":0,"y":0},"translation":{"x":0,"y":0}},"pageNumber":1,"elements":[]}],"fonts":[]}

Expected behavior
Text with heading identified

Actual behavior
Empty output

Screenshots

Environment
docker pull axarev/parsr
docker run -p 3001:3001 axarev/parsr