Inconsistent result by the chaos client

[serialfuzzer]

chaos-client version: 0.5.1

Current Behavior:

I scanned subdomains of the same scope 2 times using the command: cat scope | chaos -silent > 1.txt cat scope | chaos -silent > 2.txt

However, when I compare number of lines in both the files, you can see the result in the screenshot:

Expected Behavior:

The expected behavior is that both the files should have equal number of lines or subdomains.

Steps To Reproduce:

Anything else: