diff --git a/workspace_tools/export/gccarm.py b/workspace_tools/export/gccarm.py
index cc0815add3..f1cee6ac66 100644
--- a/workspace_tools/export/gccarm.py
+++ b/workspace_tools/export/gccarm.py
@@ -21,8 +21,21 @@ from os.path import splitext, basename
 class GccArm(Exporter):
     NAME = 'GccArm'
     TOOLCHAIN = 'GCC_ARM'
-    TARGETS = ['LPC1768','KL05Z','KL25Z','KL46Z','K20D5M','LPC4088','LPC11U24','LPC1114','LPC11U35_401','LPC11U35_501'
-                ,'STM32F407']
+    
+    TARGETS = [
+        'LPC1768',
+        'KL05Z',
+        'KL25Z',
+        'KL46Z',
+        'K20D5M',
+        'LPC4088',
+        'LPC11U24',
+        'LPC1114',
+        'LPC11U35_401',
+        'LPC11U35_501',
+        'STM32F407',
+    ]
+    
     DOT_IN_RELATIVE_PATH = True
     
     def generate(self):