Access of an app outiside its allowed IP address range causes Internal Server Error

[Ajayneethikannan]

Describe the bug
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500 error when the user's IP address is not in allowed IP rings.

To Reproduce
Steps to reproduce the behavior:
Access an app outside it's allowed IP rings.

Expected behavior
A clear and concise description of what you expected to happen.
404 Not Found

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Operating System:

• OS: Linux
• Browser: Chrome

Additional context
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[Ajayneethikannan]

Reason: ip_address_rings is a dictionary but used as a list in the case when not in allowed_ip_rings
in omniport/omniport/middleware/ip_address_rings.py

[pradumangoyal]

I think #97 has resolved this issue.