diff --git a/core/site_scons/boards/trezor_1.py b/core/site_scons/boards/trezor_1.py
index 1e71f3ca5..e48ca93b8 100644
--- a/core/site_scons/boards/trezor_1.py
+++ b/core/site_scons/boards/trezor_1.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from . import get_hw_model_as_number
 
 
diff --git a/core/site_scons/boards/trezor_r_v3.py b/core/site_scons/boards/trezor_r_v3.py
index 00337c447..57495effe 100644
--- a/core/site_scons/boards/trezor_r_v3.py
+++ b/core/site_scons/boards/trezor_r_v3.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from . import get_hw_model_as_number
 
 
diff --git a/core/site_scons/boards/trezor_r_v4.py b/core/site_scons/boards/trezor_r_v4.py
index f20cf2195..8d4151f1e 100644
--- a/core/site_scons/boards/trezor_r_v4.py
+++ b/core/site_scons/boards/trezor_r_v4.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from . import get_hw_model_as_number
 
 
diff --git a/core/site_scons/boards/trezor_r_v6.py b/core/site_scons/boards/trezor_r_v6.py
index 7531ac76b..b52129ba8 100644
--- a/core/site_scons/boards/trezor_r_v6.py
+++ b/core/site_scons/boards/trezor_r_v6.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from . import get_hw_model_as_number
 
 
diff --git a/core/site_scons/boards/trezor_t.py b/core/site_scons/boards/trezor_t.py
index 41d8ebdf0..0ae2b5598 100644
--- a/core/site_scons/boards/trezor_t.py
+++ b/core/site_scons/boards/trezor_t.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from . import get_hw_model_as_number
 
 
@@ -38,9 +40,11 @@ def configure(
     if "dma2d" in features_wanted:
         defines += ["USE_DMA2D"]
         sources += ["embed/trezorhal/dma2d.c"]
-        sources += ["vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma2d.c"]
+        sources += [
+            "vendor/micropython/lib/stm32lib/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma2d.c"
+        ]
         features_available.append("dma2d")
 
-    env.get('ENV')['TREZOR_BOARD'] = board
+    env.get("ENV")["TREZOR_BOARD"] = board
 
     return features_available