Fix tests without QtWebEngine

qutebrowser/config/configfiles.py

@@ -118,7 +118,7 @@ class StateConfig(configparser.ConfigParser):
         Note that it's too early to use objects.backend here...
         """
         try:
-            from PyQt5 import QtWebEngineWidgets  # pylint: disable=unused-import
+            import PyQt5.QtWebEngineWidgets  # pylint: disable=unused-import
         except ImportError:
             return 'no'
         return str(version.qtwebengine_versions(avoid_init=True).webengine)

tests/unit/config/test_configfiles.py

@@ -166,6 +166,11 @@ def state_writer(data_tmpdir):
 
 @pytest.fixture
 def qtwe_version_patcher(monkeypatch):
+    try:
+        from PyQt5 import QtWebEngineWidgets  # pylint: disable=unused-import
+    except ImportError:
+        pytest.skip("QtWebEngine not available")
+
     def patch(ver):
         monkeypatch.setattr(
             configfiles.version,
@@ -217,6 +222,15 @@ def test_qtwe_version_changed(state_writer, qtwe_version_patcher,
     assert state.qtwe_version_changed == changed
 
 
+def test_qtwe_version_changed_webkit(stubs, monkeypatch, state_writer):
+    fake = stubs.ImportFake({'PyQt5.QtWebEngineWidgets': False}, monkeypatch)
+    fake.patch()
+
+    state_writer('qtwe_version', 'no')
+    state = configfiles.StateConfig()
+    assert not state.qtwe_version_changed
+
+
 @pytest.mark.parametrize('old_version, new_version, expected', [
     (None, '2.0.0', configfiles.VersionChange.unknown),
     ('1.14.1', '1.14.1', configfiles.VersionChange.equal),