Coding style.

- Linting.

tests/__main___test.py

@@ -53,8 +53,8 @@ class ScreenWidgetTestCase(unittest.TestCase):
         appearance_changed_event = asyncio.Event()
         summary = __main__.Summary(self.temp_dir, jobs_added_event)
         log = __main__.Log(appearance_changed_event)
-        self.main_widget = __main__.Screen(summary, log, appearance_changed_event,
-                                           _MockMainLoop())
+        self.main_widget = __main__.Screen(
+            summary, log, appearance_changed_event, _MockMainLoop())
 
     def tearDown(self):
         shutil.rmtree(self.temp_dir)
@@ -173,7 +173,7 @@ class SummarySyncWithFilesystem(unittest.TestCase):
     #     self.assertFalse(self.jobs_added_event.is_set())
 
     def test_sync_linked_files(self):
-        """Symbolic and hard-linked files are given distinct entry objects"""
+        """Symbolic and hard-linked files are given distinct entry objects."""
         baz_path = os.path.join(self.temp_dir, "baz")
         os.symlink(self.foo_path, baz_path)
         os.link(self.foo_path, self.zoo_path)

tests/fill3_test.py

@@ -7,7 +7,6 @@
 import unittest
 
 import eris.fill3 as fill3
-import eris.termstr as termstr
 
 
 class WidgetTests(unittest.TestCase):
@@ -78,7 +77,7 @@ class WidgetTests(unittest.TestCase):
     def assert_string2(self, appearance, expected_string):
         self.assertEqual(
             ("\n".join(line.data for line in appearance),
-             "".join("i" if style.fg_color==
+             "".join("i" if style.fg_color ==
                      fill3.ScrollBar.DEFAULT_BACKGROUND_COLOR else " "
                      for line in appearance for style in line.style)),
             expected_string)

tests/paged_list_test.py

@@ -16,9 +16,9 @@ class PagedListTestCase(unittest.TestCase):
     def test_getitem(self):
         with tempfile.TemporaryDirectory() as temp_dir:
             list_ = paged_list.PagedList([3, 4, 5, 6], temp_dir, 4, 2)
-            self.assertEqual(list_[1], 4)            
+            self.assertEqual(list_[1], 4)
             self.assertEqual(list_[1:3], [4, 5])
-            self.assertEqual(list_[0:4], [3, 4, 5, 6])        
+            self.assertEqual(list_[0:4], [3, 4, 5, 6])
         with tempfile.TemporaryDirectory() as temp_dir:
             list_ = paged_list.PagedList([3, 4, 5, 6], temp_dir, 2, 2)
             self.assertEqual(list_[1:3], [4, 5])

tests/tools_test.py

@@ -133,7 +133,7 @@ class ToolsTestCase(unittest.TestCase):
         self._test_tool(tools.perl_syntax,
                         [("perl.pl", tools.Status.ok),
                          # ("perl6.pl", tools.Status.problem)
-                        ])
+                         ])
 
     def test_perldoc(self):
         # FIX: This is failing in an Appimage, inside a nspawn container,