test: fix all flake8 E741 errors (#401)

This removes the use of variables named ‘l’, ‘O’, or ‘I’. Generally
these are used in list comprehension to read the line of lines.

2 files changed, 4 insertions, 4 deletions

diff --git a/tests/cloud_tests/platforms/instances.py b/tests/cloud_tests/platforms/instances.py
index 529e79cd..efc35c7f 100644
--- a/tests/cloud_tests/platforms/instances.py
+++ b/tests/cloud_tests/platforms/instances.py
@@ -132,8 +132,8 @@ class Instance(TargetBase):
         """
         def clean_test(test):
             """Clean formatting for system ready test testcase."""
-            return ' '.join(l for l in test.strip().splitlines()
-                            if not l.lstrip().startswith('#'))
+            return ' '.join(line for line in test.strip().splitlines()
+                            if not line.lstrip().startswith('#'))
 
         boot_timeout = self.config['boot_timeout']
         tests = [self.config['system_ready_script']]
diff --git a/tests/cloud_tests/testcases/base.py b/tests/cloud_tests/testcases/base.py
index 7b67f54e..68d59111 100644
--- a/tests/cloud_tests/testcases/base.py
+++ b/tests/cloud_tests/testcases/base.py
@@ -141,8 +141,8 @@ class CloudTestCase(unittest.TestCase):
     def test_no_warnings_in_log(self):
         """Unexpected warnings should not be found in the log."""
         warnings = [
-            l for l in self.get_data_file('cloud-init.log').splitlines()
-            if 'WARN' in l]
+            line for line in self.get_data_file('cloud-init.log').splitlines()
+            if 'WARN' in line]
         joined_warnings = '\n'.join(warnings)
         for expected_warning in self.expected_warnings:
             self.assertIn(