run black

doc/en/example/nonpython/conftest.py

@@ -2,18 +2,24 @@
 
 import pytest
 
+
 def pytest_collect_file(parent, path):
     if path.ext == ".yml" and path.basename.startswith("test"):
         return YamlFile(path, parent)
 
+
 class YamlFile(pytest.File):
+
     def collect(self):
-        import yaml # we need a yaml parser, e.g. PyYAML
+        import yaml  # we need a yaml parser, e.g. PyYAML
+
         raw = yaml.safe_load(self.fspath.open())
         for name, spec in sorted(raw.items()):
             yield YamlItem(name, self, spec)
 
+
 class YamlItem(pytest.Item):
+
     def __init__(self, name, parent, spec):
         super(YamlItem, self).__init__(name, parent)
         self.spec = spec
@@ -27,14 +33,17 @@ class YamlItem(pytest.Item):
     def repr_failure(self, excinfo):
         """ called when self.runtest() raises an exception. """
         if isinstance(excinfo.value, YamlException):
-            return "\n".join([
-                "usecase execution failed",
-                "   spec failed: %r: %r" % excinfo.value.args[1:3],
-                "   no further details known at this point."
-            ])
+            return "\n".join(
+                [
+                    "usecase execution failed",
+                    "   spec failed: %r: %r" % excinfo.value.args[1:3],
+                    "   no further details known at this point.",
+                ]
+            )
 
     def reportinfo(self):
         return self.fspath, 0, "usecase: %s" % self.name
 
+
 class YamlException(Exception):
     """ custom exception for error reporting. """