diff --git a/esphome/components/spi/__init__.py b/esphome/components/spi/__init__.py
index fdf19bb56e..fbc3e34618 100644
--- a/esphome/components/spi/__init__.py
+++ b/esphome/components/spi/__init__.py
@@ -1,40 +1,37 @@
 import re
 
+from esphome import pins
 import esphome.codegen as cg
-import esphome.config_validation as cv
-import esphome.final_validate as fv
 from esphome.components.esp32.const import (
     KEY_ESP32,
-    VARIANT_ESP32S2,
-    VARIANT_ESP32S3,
     VARIANT_ESP32C2,
     VARIANT_ESP32C3,
     VARIANT_ESP32C6,
     VARIANT_ESP32H2,
+    VARIANT_ESP32S2,
+    VARIANT_ESP32S3,
 )
-from esphome import pins
+import esphome.config_validation as cv
 from esphome.const import (
     CONF_CLK_PIN,
+    CONF_CS_PIN,
+    CONF_DATA_PINS,
+    CONF_DATA_RATE,
     CONF_ID,
+    CONF_INVERTED,
     CONF_MISO_PIN,
     CONF_MOSI_PIN,
-    CONF_SPI_ID,
-    CONF_CS_PIN,
     CONF_NUMBER,
-    CONF_INVERTED,
+    CONF_SPI_ID,
     KEY_CORE,
     KEY_TARGET_PLATFORM,
     KEY_VARIANT,
-    CONF_DATA_RATE,
     PLATFORM_ESP32,
     PLATFORM_ESP8266,
     PLATFORM_RP2040,
-    CONF_DATA_PINS,
-)
-from esphome.core import (
-    coroutine_with_priority,
-    CORE,
 )
+from esphome.core import CORE, coroutine_with_priority
+import esphome.final_validate as fv
 
 CODEOWNERS = ["@esphome/core", "@clydebarrow"]
 spi_ns = cg.esphome_ns.namespace("spi")
@@ -96,11 +93,7 @@ RP_SPI_PINSETS = [
 
 
 def get_target_platform():
-    return (
-        CORE.data[KEY_CORE][KEY_TARGET_PLATFORM]
-        if KEY_TARGET_PLATFORM in CORE.data[KEY_CORE]
-        else ""
-    )
+    return CORE.data[KEY_CORE][KEY_TARGET_PLATFORM]
 
 
 def get_target_variant():
diff --git a/esphome/core/config.py b/esphome/core/config.py
index 753ae8342b..e89e3cf687 100644
--- a/esphome/core/config.py
+++ b/esphome/core/config.py
@@ -299,7 +299,8 @@ def preload_core_config(config, result) -> str:
         # Insert generated target platform config to main config
         config[plat] = plat_conf
     config[CONF_ESPHOME] = conf
-    return newstyle_found[0] if newstyle_found else plat
+    target_platform = newstyle_found[0] if newstyle_found else plat
+    return target_platform
 
 
 def include_file(path, basename):