Get some pytest fixtures working with some side effects

jedi/inference/imports.py

@@ -505,7 +505,7 @@ def _load_builtin_module(inference_state, import_names=None, sys_path=None):
     return module
 
 
-def _load_module_from_path(inference_state, file_io, base_names):
+def load_module_from_path(inference_state, file_io, base_names=None):
     """
     This should pretty much only be used for get_modules_containing_name. It's
     here to ensure that a random path is still properly loaded into the Jedi
@@ -552,7 +552,7 @@ def get_module_contexts_containing_name(inference_state, module_contexts, name):
         if name not in code:
             return None
         new_file_io = KnownContentFileIO(file_io.path, code)
-        m = _load_module_from_path(inference_state, new_file_io, base_names)
+        m = load_module_from_path(inference_state, new_file_io, base_names)
         if isinstance(m, compiled.CompiledObject):
             return None
         return m.as_context()

jedi/inference/names.py

@@ -9,6 +9,7 @@ from jedi.inference.base_value import ValueSet, NO_VALUES
 from jedi.inference import docstrings
 from jedi.cache import memoize_method
 from jedi.inference.helpers import deep_ast_copy, infer_call_of_leaf
+from jedi.plugins import plugin_manager
 
 
 def _merge_name_docs(names):
@@ -482,6 +483,7 @@ class _ActualTreeParamName(BaseTreeParamName):
 
 
 class AnonymousParamName(_ActualTreeParamName):
+    @plugin_manager.decorate(name='infer_anonymous_param')
     def infer(self):
         values = super(AnonymousParamName, self).infer()
         if values: