diff --git a/platformio/builder/scripts/frameworks/cmsis.py b/platformio/builder/scripts/frameworks/cmsis.py
index a1c0c9a6..4f194034 100644
--- a/platformio/builder/scripts/frameworks/cmsis.py
+++ b/platformio/builder/scripts/frameworks/cmsis.py
@@ -9,7 +9,6 @@ from os.path import join
 
 from SCons.Script import Import, Return
 
-
 env = None
 Import("env")
 
diff --git a/platformio/builder/scripts/frameworks/opencm3.py b/platformio/builder/scripts/frameworks/opencm3.py
index d07357c4..324d7bee 100644
--- a/platformio/builder/scripts/frameworks/opencm3.py
+++ b/platformio/builder/scripts/frameworks/opencm3.py
@@ -13,7 +13,6 @@ from SCons.Script import Import, Return
 
 from platformio.util import exec_command
 
-
 env = None
 Import("env")
 BOARD_BUILDOPTS = env.get("BOARD_OPTIONS", {}).get("build", {})
diff --git a/platformio/builder/scripts/frameworks/spl.py b/platformio/builder/scripts/frameworks/spl.py
index 62801bfd..39cdb4ec 100644
--- a/platformio/builder/scripts/frameworks/spl.py
+++ b/platformio/builder/scripts/frameworks/spl.py
@@ -9,7 +9,6 @@ from os.path import join
 
 from SCons.Script import Import, Return
 
-
 env = None
 Import("env")