Fixes the errors with use of asyncio in docrepr/tests/test_output.py:
     
>       await compare_screenshots(test_id, url)
E       TypeError: 'coroutine' object is not callable

--- a/conftest.py
+++ b/conftest.py
@@ -65,7 +65,7 @@ def _open_browser(url):
 
 
 @pytest.fixture
-async def compare_screenshots(request):
+def compare_screenshots(request):
     """Run visual regression test on the output."""
     async def _compare_screenshots(test_id, url):
         if (request.config.getoption(COMPARE_SCREENSHOTS_OPTION) or
></td><td class='form'><form method='get'>
<input type='hidden' name='id' value='a223b1e52ba1db89b11a670915e8c9af3c3ac4af'/><select name='h' onchange='this.form.submit();'>
<option value='koszko' selected='selected'>koszko</option>
<option value='koszko-scripts'>koszko-scripts</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'>