diff --git a/test/test_debuglink.py b/test/test_debuglink.py
index 71592887..b12baa69 100644
--- a/test/test_debuglink.py
+++ b/test/test_debuglink.py
@@ -35,7 +35,7 @@ def subprograms_from_debuglink(self, elf: ELFFile) -> dict[str, (int, int)]:
         debug file.
         Args:
             elf (ELFFile): The ELF file.
-        
+
         Returns:
             dict: A dictionary containing the subprograms of the specified ELF file.
         """
@@ -58,8 +58,8 @@ def subprograms_from_debuglink(self, elf: ELFFile) -> dict[str, (int, int)]:
                         if highpc_attr.form == 'DW_FORM_addr':
                             # highpc is an absolute address
                             size = highpc_attr.value - lowpc
-                        elif highpc_attr.form in {'DW_FORM_data2','DW_FORM_data4', 
-                                                    'DW_FORM_data8', 'DW_FORM_data1', 
+                        elif highpc_attr.form in {'DW_FORM_data2','DW_FORM_data4',
+                                                    'DW_FORM_data8', 'DW_FORM_data1',
                                                     'DW_FORM_udata'}:
                             # highpc is an offset from lowpc
                             size = highpc_attr.value
@@ -74,4 +74,5 @@ def test_debuglink(self):
             self.assertEqual(subprograms, {b'main': (0x1161, 0x52), b'addNumbers': (0x1149, 0x18)})
 
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()
+
diff --git a/test/testfiles_for_readelf/struct-bitfield-packed.c b/test/testfiles_for_readelf/struct-bitfield-packed.c
index 40d7076b..f8c23c25 100644
--- a/test/testfiles_for_readelf/struct-bitfield-packed.c
+++ b/test/testfiles_for_readelf/struct-bitfield-packed.c
@@ -1,32 +1,32 @@
-/* Generated by compiling with gcc 4.4 (or higher?) as follows:
-**
-** gcc -g -o file.out file.c
-*/
-
-#include <stdio.h>
-
-struct def
-{
-	int ijk;
-	char c;
-	long long lint;
-	float mno;
-	int bit1 : 1;
-	int bit3 : 3;
-	int bit2 : 2;
-	int bit4 : 4;
-//};
-}__attribute__((__packed__));
-
-const int GLOBAL_CONST;
-
-int tryGlobal;
-struct def hiLo;
-
-int main()
-{
-	int abc;
-	printf("Hello World\n");
-	return 0;
-}
-
+/* Generated by compiling with gcc 4.4 (or higher?) as follows:
+**
+** gcc -g -o file.out file.c
+*/
+
+#include <stdio.h>
+
+struct def
+{
+	int ijk;
+	char c;
+	long long lint;
+	float mno;
+	int bit1 : 1;
+	int bit3 : 3;
+	int bit2 : 2;
+	int bit4 : 4;
+//};
+}__attribute__((__packed__));
+
+const int GLOBAL_CONST;
+
+int tryGlobal;
+struct def hiLo;
+
+int main()
+{
+	int abc;
+	printf("Hello World\n");
+	return 0;
+}
+
diff --git a/test/testfiles_for_unittests/debuglink.c b/test/testfiles_for_unittests/debuglink.c
index 38401d2f..d9cfdbd0 100644
--- a/test/testfiles_for_unittests/debuglink.c
+++ b/test/testfiles_for_unittests/debuglink.c
@@ -11,4 +11,5 @@ int main() {
 
     printf("Sum of %d and %d is %d\n", num1, num2, sum);
     return 0;
-}
\ No newline at end of file
+}
+