verify-v2-quickstart-python broken for call verify

[nickfun]

Where has this bug occurred?
verify-v2-quickstart-python has a bug. here is a fix: TwilioDevEd/verify-v2-quickstart-python#5

Describe the bug
the app uses Twilio Verify, but when you pick to do a voice call instead of SMS it does not make a call.

To Reproduce
Steps to reproduce the behavior:

1. setup the project
2. do the new user flow
3. on the verify step, do not choose the text message option
4. the page will load an error about incorrect "channel"

Expected behavior
instead of an error it should make the verification phone call and let the user type in the OTP.

Screenshots
n/a

Template bug info (please complete the following information if the bug exists in one of the templates):

• Template source link: https://github.com/TwilioDevEd/verify-v2-quickstart-python
• OS: mac 10.12.6
• Programming language and version: python 3.6

Desktop (please complete the following information):
same as above, any browser

Smartphone (please complete the following information):
n/a

Additional context
please see TwilioDevEd/verify-v2-quickstart-python#5

[welcome]

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[dkundel]

Thank you for flagging and creating the PR @nickfun :) the PR has been merged.