Describes the cause and action for error messages.
Error Message(English)：
requests missing schema
request.get() is not working
https://stackoverflow.com/questions/46496418/request-get-is-not-working
How to get around "MissingSchema" error in Python?
https://stackoverflow.com/questions/45060160/how-to-get-around-missingschema-error-in-python
MissingSchema: Invalid URL '/': No schema supplied. Perhaps ...
https://stackoverflow.com/questions/39756016/missingschema-invalid-url-no-schema-supplied-perhaps-yo・・・
Missing scheme in request url
https://stackoverflow.com/questions/21103533/missing-scheme-in-request-url
MissingSchema: Invalid URL 'None': No schema supplied. Perhaps ...
https://community.developers.thomsonreuters.com/questions/25016/missingschema-invalid-url-none-no-sc・・・
requests.exceptions ? Requests 2.21.0 ... - Python requests
http://docs.python-requests.org/en/master/_modules/requests/exceptions/
Getting Error as missing schema for attaching volume [closed ...
https://ask.openstack.org/en/question/12466/getting-error-as-missing-schema-for-attaching-volume/
Invalid URL 'None': No schema supplied. Perhaps you meant http ...
https://lists.fedorahosted.org/archives/list/copr-devel@lists.fedorahosted.org/thread/CXJXCA4Y72HKEP・・・
Request Handling ? Connexion 2.0 documentation
https://connexion.readthedocs.io/en/latest/request.html