support/testing: fix code style

Fix the trivial warnings from flake8:
 - remove modules imported but unused;
 - use 2 lines before class or module level method;
 - remove blank line at end of file.

Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

6 files changed, 18 insertions, 4 deletions

diff --git a/support/testing/tests/fs/test_ext.py b/support/testing/tests/fs/test_ext.py
index 49bce45dc8..f5f9e9fdf1 100644
--- a/support/testing/tests/fs/test_ext.py
+++ b/support/testing/tests/fs/test_ext.py
@@ -12,6 +12,7 @@ RESBLKCNT_PROP = "Reserved block count"
 
 CHECK_FS_TYPE_CMD = "mount | grep '/dev/root on / type {}'"
 
+
 def dumpe2fs_run(builddir, image):
     cmd = ["host/sbin/dumpe2fs", os.path.join("images", image)]
     ret = subprocess.check_output(cmd,
@@ -20,12 +21,14 @@ def dumpe2fs_run(builddir, image):
                                   env={"LANG": "C"})
     return ret.strip().splitlines()
 
+
 def dumpe2fs_getprop(out, prop):
     for line in out:
         fields = line.split(": ")
         if fields[0] == prop:
             return fields[1].strip()
 
+
 def boot_img_and_check_fs_type(emulator, builddir, fs_type):
     img = os.path.join(builddir, "images", "rootfs.{}".format(fs_type))
     emulator.boot(arch="armv7",
@@ -37,6 +40,7 @@ def boot_img_and_check_fs_type(emulator, builddir, fs_type):
     _, exit_code = emulator.run(CHECK_FS_TYPE_CMD.format(fs_type))
     return exit_code
 
+
 class TestExt2(infra.basetest.BRTest):
     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
         """
@@ -55,6 +59,7 @@ class TestExt2(infra.basetest.BRTest):
                                                self.builddir, "ext2")
         self.assertEqual(exit_code, 0)
 
+
 class TestExt2r1(infra.basetest.BRTest):
     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
         """
@@ -74,6 +79,7 @@ class TestExt2r1(infra.basetest.BRTest):
                                                self.builddir, "ext2")
         self.assertEqual(exit_code, 0)
 
+
 class TestExt3(infra.basetest.BRTest):
     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
         """
@@ -92,6 +98,7 @@ class TestExt3(infra.basetest.BRTest):
                                                self.builddir, "ext3")
         self.assertEqual(exit_code, 0)
 
+
 class TestExt4(infra.basetest.BRTest):
     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
         """
@@ -116,5 +123,3 @@ class TestExt4(infra.basetest.BRTest):
         exit_code = boot_img_and_check_fs_type(self.emulator,
                                                self.builddir, "ext4")
         self.assertEqual(exit_code, 0)
-
-
diff --git a/support/testing/tests/fs/test_iso9660.py b/support/testing/tests/fs/test_iso9660.py
index 60dcbdc139..41430eb4d2 100644
--- a/support/testing/tests/fs/test_iso9660.py
+++ b/support/testing/tests/fs/test_iso9660.py
@@ -25,6 +25,7 @@ BASIC_CONFIG = \
     # BR2_TARGET_ROOTFS_TAR is not set
     """.format(infra.filepath("conf/minimal-x86-qemu-kernel.config"))
 
+
 def test_mount_internal_external(emulator, builddir, internal=True):
     img = os.path.join(builddir, "images", "rootfs.iso9660")
     emulator.boot(arch="i386", options=["-cdrom", img])
@@ -38,13 +39,14 @@ def test_mount_internal_external(emulator, builddir, internal=True):
     _, exit_code = emulator.run(cmd)
     return exit_code
 
+
 def test_touch_file(emulator):
     _, exit_code = emulator.run("touch test")
     return exit_code
 
 #
 # Grub 2
-#
+
 
 class TestIso9660Grub2External(infra.basetest.BRTest):
     config = BASIC_CONFIG + \
@@ -65,6 +67,7 @@ class TestIso9660Grub2External(infra.basetest.BRTest):
         exit_code = test_touch_file(self.emulator)
         self.assertEqual(exit_code, 1)
 
+
 class TestIso9660Grub2Internal(infra.basetest.BRTest):
     config = BASIC_CONFIG + \
         """
@@ -86,7 +89,7 @@ class TestIso9660Grub2Internal(infra.basetest.BRTest):
 
 #
 # Syslinux
-#
+
 
 class TestIso9660SyslinuxExternal(infra.basetest.BRTest):
     config = BASIC_CONFIG + \
@@ -106,6 +109,7 @@ class TestIso9660SyslinuxExternal(infra.basetest.BRTest):
         exit_code = test_touch_file(self.emulator)
         self.assertEqual(exit_code, 1)
 
+
 class TestIso9660SyslinuxInternal(infra.basetest.BRTest):
     config = BASIC_CONFIG + \
         """
diff --git a/support/testing/tests/fs/test_jffs2.py b/support/testing/tests/fs/test_jffs2.py
index a84c858238..2ff5099180 100644
--- a/support/testing/tests/fs/test_jffs2.py
+++ b/support/testing/tests/fs/test_jffs2.py
@@ -3,6 +3,7 @@ import subprocess
 
 import infra.basetest
 
+
 def jffs2dump_find_file(files_list, fname):
     for file_name in files_list:
         file_name = file_name.strip()
@@ -10,6 +11,7 @@ def jffs2dump_find_file(files_list, fname):
             return True
     return False
 
+
 class TestJffs2(infra.basetest.BRTest):
     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
         """
diff --git a/support/testing/tests/fs/test_squashfs.py b/support/testing/tests/fs/test_squashfs.py
index 9fad28f834..066c054342 100644
--- a/support/testing/tests/fs/test_squashfs.py
+++ b/support/testing/tests/fs/test_squashfs.py
@@ -3,6 +3,7 @@ import subprocess
 
 import infra.basetest
 
+
 class TestSquashfs(infra.basetest.BRTest):
     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
         """
diff --git a/support/testing/tests/fs/test_ubi.py b/support/testing/tests/fs/test_ubi.py
index 360932a0bf..015d82f769 100644
--- a/support/testing/tests/fs/test_ubi.py
+++ b/support/testing/tests/fs/test_ubi.py
@@ -3,6 +3,7 @@ import os
 
 import infra.basetest
 
+
 class TestUbi(infra.basetest.BRTest):
     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
         """
diff --git a/support/testing/tests/fs/test_yaffs2.py b/support/testing/tests/fs/test_yaffs2.py
index a11c1a40a7..b60e90e660 100644
--- a/support/testing/tests/fs/test_yaffs2.py
+++ b/support/testing/tests/fs/test_yaffs2.py
@@ -2,6 +2,7 @@ import os
 
 import infra.basetest
 
+
 class TestYaffs2(infra.basetest.BRTest):
     config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
         infra.basetest.MINIMAL_CONFIG + \