api_get: keep same api (#21838)

common/api/__init__.py

@@ -43,4 +43,4 @@ def api_get(endpoint, method='GET', timeout=None, access_token=None, **params):
 
   headers['User-Agent'] = "openpilot-" + version
 
-  return requests.request(method, API_HOST+endpoint, timeout=timeout, headers=headers, params=params)
+  return requests.request(method, API_HOST + "/" + endpoint, timeout=timeout, headers=headers, params=params)

selfdrive/athena/registration.py

@@ -72,7 +72,7 @@ def register(show_spinner=False) -> str:
       try:
         register_token = jwt.encode({'register': True, 'exp': datetime.utcnow() + timedelta(hours=1)}, private_key, algorithm='RS256')
         cloudlog.info("getting pilotauth")
-        resp = api_get("/v2/pilotauth/", method='POST', timeout=15,
+        resp = api_get("v2/pilotauth/", method='POST', timeout=15,
                        imei=imei1, imei2=imei2, serial=serial, public_key=public_key, register_token=register_token)
 
         if resp.status_code in (402, 403):