Showing warnings on offline install of scancode

Branch- 295-./configure
cmd to run= PYTHON_EXE=python3 ./configure

```Configuring Python ...
created virtual environment CPython3.6.8.final.0-64 in 1087ms
creator CPython3Posix(dest=/Users/mymac/Documents/scancode-toolkit/dist/scancode-toolkit-3.1.2, clear=False, global=False)
seeder FromAppData(extra_search_dir=/Users/mymac/Documents/scancode-toolkit/dist/scancode-toolkit-3.1.2/thirdparty,download=False, pip=latest, setuptools=latest, wheel=latest, via=copy, app_data_dir=/Users/mymac/Library/Application Support/virtualenv/seed-app-data/v1.0.1)
activators BashActivator,CShellActivator,FishActivator,PowerShellActivator,PythonActivator,XonshActivator
* Installing components ...
Looking in links: https://github.com/Abhishek-Dev09/thirdparty/releases/tag/v2.0, /Users/mymac/Documents/scancode-toolkit/dist/scancode-toolkit-3.1.2/thirdparty
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /Abhishek-Dev09/thirdparty/releases/tag/v2.0
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /Abhishek-Dev09/thirdparty/releases/tag/v2.0
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /Abhishek-Dev09/thirdparty/releases/tag/v2.0
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /Abhishek-Dev09/thirdparty/releases/tag/v2.0
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /Abhishek-Dev09/thirdparty/releases/tag/v2.0
Processing ./thirdparty/attrs-19.3.0-py2.py3-none-any.whl
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /Abhishek-Dev09/thirdparty/releases/tag/v2.0
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /Abhishek-Dev09/thirdparty/releases/tag/v2.0
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /Abhishek-Dev09/thirdparty/releases/tag/v2.0
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /Abhishek-Dev09/thirdparty/releases/tag/v2.0
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError(': Failed to establish a new connection: [Errno 8] nodename nor servname provided, or not known',)': /Abhishek-Dev09/thirdparty/releases/tag/v2.0
```
Expected : Don't show warning , instead look components in thirdparty in 1st attempt not after 5th attempt.