diff --git a/homeassistant/components/heos/config_flow.py b/homeassistant/components/heos/config_flow.py
index 5e534e3e986..63a020c41d9 100644
--- a/homeassistant/components/heos/config_flow.py
+++ b/homeassistant/components/heos/config_flow.py
@@ -1,4 +1,5 @@
 """Config flow to configure Heos."""
+from typing import TYPE_CHECKING
 from urllib.parse import urlparse
 
 from pyheos import Heos, HeosError
@@ -25,7 +26,9 @@ class HeosFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     async def async_step_ssdp(self, discovery_info: ssdp.SsdpServiceInfo) -> FlowResult:
         """Handle a discovered Heos device."""
         # Store discovered host
-        hostname = urlparse(discovery_info.ssdp_location or "").hostname
+        if TYPE_CHECKING:
+            assert discovery_info.ssdp_location
+        hostname = urlparse(discovery_info.ssdp_location).hostname
         friendly_name = (
             f"{discovery_info.upnp[ssdp.ATTR_UPNP_FRIENDLY_NAME]} ({hostname})"
         )
diff --git a/homeassistant/components/huawei_lte/config_flow.py b/homeassistant/components/huawei_lte/config_flow.py
index 9c9bbb7ee54..be2a149b4d5 100644
--- a/homeassistant/components/huawei_lte/config_flow.py
+++ b/homeassistant/components/huawei_lte/config_flow.py
@@ -2,7 +2,7 @@
 from __future__ import annotations
 
 import logging
-from typing import Any
+from typing import TYPE_CHECKING, Any
 from urllib.parse import urlparse
 
 from huawei_lte_api.AuthorizedConnection import AuthorizedConnection
@@ -214,10 +214,12 @@ class ConfigFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
         ):
             return self.async_abort(reason="not_huawei_lte")
 
+        if TYPE_CHECKING:
+            assert discovery_info.ssdp_location
         url = url_normalize(
             discovery_info.upnp.get(
                 ssdp.ATTR_UPNP_PRESENTATION_URL,
-                f"http://{urlparse(discovery_info.ssdp_location or '').hostname}/",
+                f"http://{urlparse(discovery_info.ssdp_location).hostname}/",
             )
         )