diff --git a/jedi/plugins/pytest.py b/jedi/plugins/pytest.py
index 910f540c..08ff0905 100644
--- a/jedi/plugins/pytest.py
+++ b/jedi/plugins/pytest.py
@@ -84,6 +84,8 @@ def _is_a_pytest_param(param_name):
     This is a heuristic and will work in most cases.
     """
     funcdef = search_ancestor(param_name.tree_name, 'funcdef')
+    if funcdef is None:  # A lambda
+        return False
     decorators = funcdef.get_decorators()
     return _is_pytest_func(funcdef.name.value, decorators)
 
diff --git a/test/test_inference/test_imports.py b/test/test_inference/test_imports.py
index 5d628d05..93582743 100644
--- a/test/test_inference/test_imports.py
+++ b/test/test_inference/test_imports.py
@@ -342,7 +342,7 @@ def test_get_modules_containing_name(inference_state, path, goal, is_package):
 )
 def test_load_module_from_path(inference_state, path, base_names, is_package, names):
     file_io = KnownContentFileIO(path, '')
-    m = imports._load_module_from_path(inference_state, file_io, base_names)
+    m = imports.load_module_from_path(inference_state, file_io, base_names)
     assert m.is_package() == is_package
     assert m.string_names == names