Getting error for HTTP/2 HTTP response

[gauravshet86]

My graphql application uses HTTP/2. Does the script have support for HTTP/2?

I am getting the below error:
Traceback (most recent call last):
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/bin/shifter", line 8, in
sys.exit(cli())
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/click/core.py", line 829, in call
return self.main(*args, **kwargs)
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/click/core.py", line 782, in main
rv = self.invoke(ctx)
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/click/core.py", line 1259, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/click/core.py", line 1066, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/click/core.py", line 610, in invoke
return callback(*args, **kwargs)
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/click/decorators.py", line 21, in new_func
return f(get_current_context(), *args, **kwargs)
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/shifter.py", line 95, in scan
r = requests.get(get_endpoint+get_introspection, proxies=proxies, headers=headers, verify=False, timeout=3)
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/requests/api.py", line 76, in get
return request('get', url, params=params, **kwargs)
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/requests/api.py", line 61, in request
return session.request(method=method, url=url, **kwargs)
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/requests/sessions.py", line 542, in request
resp = self.send(prep, **send_kwargs)
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/requests/sessions.py", line 655, in send
r = adapter.send(request, **kwargs)
File "/Users/gauravshet/Documents/Automation/shapeshifter-master/shapeshifter/graphql/lib/python3.8/site-packages/requests/adapters.py", line 498, in send
raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', UnknownProtocol('HTTP/2'))
(graphql) gauravshet@gshet-mac-0 shapeshifter %