Fix flake8 style reports

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

kas/build.py

@@ -129,8 +129,8 @@ class BuildCommand(Command):
         """
         # Start bitbake build of image
         bitbake = find_program(ctx.environ['PATH'], 'bitbake')
-        cmd = ([bitbake, '-k', '-c', ctx.config.get_bitbake_task()]
-               + self.extra_bitbake_args + ctx.config.get_bitbake_targets())
+        cmd = [bitbake, '-k', '-c', ctx.config.get_bitbake_task()] \
+            + self.extra_bitbake_args + ctx.config.get_bitbake_targets()
         if sys.stdout.isatty():
             logging.info('%s$ %s', ctx.build_dir, ' '.join(cmd))
             ret = subprocess.call(cmd, env=ctx.environ, cwd=ctx.build_dir)

kas/libcmds.py

@@ -132,8 +132,8 @@ class SetupHome(Command):
                       '\temail = kas@example.com\n'
                       '\tname = Kas User\n')
 
-        if (os.environ.get('AWS_CONFIG_FILE', False)
-                and os.environ.get('AWS_SHARED_CREDENTIALS_FILE', False)):
+        if os.environ.get('AWS_CONFIG_FILE', False) \
+                and os.environ.get('AWS_SHARED_CREDENTIALS_FILE', False):
             os.makedirs(self.tmpdirname + "/.aws")
 
             shutil.copy(os.environ['AWS_CONFIG_FILE'],

kas/repos.py

@@ -274,8 +274,8 @@ class RepoImpl(Repo):
 
             if os.path.isfile(path):
                 my_patches.append((path, patch['id']))
-            elif (os.path.isdir(path)
-                  and os.path.isfile(os.path.join(path, 'series'))):
+            elif os.path.isdir(path) \
+                    and os.path.isfile(os.path.join(path, 'series')):
                 with open(os.path.join(path, 'series')) as f:
                     for line in f:
                         if line.startswith('#'):

tests/test_patch.py

@@ -40,6 +40,7 @@ def test_patch(tmpdir):
     kas.kas(['shell', 'test.yml', '-c', 'true'])
     os.chdir(prev_dir)
 
+
 def test_patch_update(tmpdir):
     """
         Test that patches are applied correctly after switching refspec from

tests/test_refspec.py

@@ -22,7 +22,6 @@
 
 import os
 import shutil
-import subprocess
 from kas import kas
 from kas.libkas import run_cmd