Increase code-coverage

.coveragerc

@@ -8,3 +8,9 @@ source =
    distro.py
    .tox/*/lib/python*/site-packages/distro.py
    .tox/pypy/site-packages/distro.py
+
+[report]
+exclude_lines =
+    if __name__ == .__main__.:
+    raise ImportError
+    raise subprocess.CalledProcessError

distro.py

@@ -951,8 +951,7 @@ def _parse_lsb_release_content(lines):
         """
         props = {}
         for line in lines:
-            if isinstance(line, bytes):
-                line = line.decode('utf-8')
+            line = line.decode('utf-8') if isinstance(line, bytes) else line
             kv = line.strip('\n').split(':', 1)
             if len(kv) != 2:
                 # Ignore lines without colon.

tests/test_distro.py

@@ -15,13 +15,14 @@
 import os
 import sys
 import ast
-import testtools
 import subprocess
 try:
     from StringIO import StringIO  # Python 2.x
 except ImportError:
     from io import StringIO  # Python 3.x
 
+import testtools
+
 
 BASE = os.path.abspath(os.path.dirname(__file__))
 RESOURCES = os.path.join(BASE, 'resources')
@@ -57,6 +58,10 @@ class TestCli(testtools.TestCase):
     def setUp(self):
         super(TestCli, self).setUp()
 
+    def _parse(self, command):
+        sys.argv = command.split()
+        distro.main()
+
     def _run(self, command):
         stdout, _ = subprocess.Popen(
             command,
@@ -65,6 +70,10 @@ def _run(self, command):
         # Need to decode or we get bytes in Python 3.x
         return stdout.decode('utf-8')
 
+    def test_cli_for_coverage_yuch(self):
+        self._parse('distro')
+        self._parse('distro -j')
+
     def test_cli(self):
         command = [sys.executable, '-m', 'distro']
         desired_output = 'Name: ' + distro.name(pretty=True)
@@ -1475,7 +1484,6 @@ def test_all(self):
         """Test info() by comparing its results with the results of specific
         consolidated accessor functions.
         """
-
         def _test_all(info, best=False, pretty=False):
             self.assertEqual(info['id'],
                              _distro.id(),