Create new websession if more than one entry in Tesla (#47886)

* Create new websession if more than one entry
closes #47506

* Remove extraneous count

* Always create new session

* Update docs

homeassistant/components/tesla/__init__.py

@@ -133,7 +133,8 @@ async def async_setup_entry(hass, config_entry):
     """Set up Tesla as config entry."""
     hass.data.setdefault(DOMAIN, {})
     config = config_entry.data
-    websession = aiohttp_client.async_get_clientsession(hass)
+    # Because users can have multiple accounts, we always create a new session so they have separate cookies
+    websession = aiohttp_client.async_create_clientsession(hass)
     email = config_entry.title
     if email in hass.data[DOMAIN] and CONF_SCAN_INTERVAL in hass.data[DOMAIN][email]:
         scan_interval = hass.data[DOMAIN][email][CONF_SCAN_INTERVAL]

homeassistant/components/tesla/config_flow.py

@@ -147,7 +147,8 @@ async def validate_input(hass: core.HomeAssistant, data):
     """
 
     config = {}
-    websession = aiohttp_client.async_get_clientsession(hass)
+    websession = aiohttp_client.async_create_clientsession(hass)
+
     try:
         controller = TeslaAPI(
             websession,