In [1]: a=(x for x in range(10)) In [2]: a(Exception in thread Thread-4: Traceback (most recent call last): File "/usr/local/lib/python3.4/site-packages/jedi/cache.py", line 137, in wrap return getattr(self, name) AttributeError: 'LazyName' object has no attribute '_parent' ~ During handling of the above exception, another exception occurred:r] Execute > Traceback (most recent call last): File "/usr/local/lib/python3.4/site-packages/jedi/evaluate/compiled/__init__.p return evaluator.compiled_cache[key][0] KeyError: (4511290496, 4510349128, 4510349128) During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/local/Cellar/python3/3.4.2_1/Frameworks/Python.framework/Versions/3 self.run() File "/usr/local/lib/python3.4/site-packages/prompt_toolkit/eventloop/base.py" callback() File "/usr/local/lib/python3.4/site-packages/prompt_toolkit/__init__.py", line completions = list(line.completer.get_completions(document)) File "/usr/local/lib/python3.4/site-packages/prompt_toolkit/contrib/python_inp completions = script.completions() File "/usr/local/lib/python3.4/site-packages/jedi/api/__init__.py", line 161, for call_sig in self.call_signatures(): File "/usr/local/lib/python3.4/site-packages/jedi/api/__init__.py", line 574, self._pos, user_stmt) File "/usr/local/lib/python3.4/site-packages/jedi/cache.py", line 90, in wrapp value = optional_callable() File "/usr/local/lib/python3.4/site-packages/jedi/api/__init__.py", line 572, _callable = lambda: self._evaluator.eval_call(stmt_el) File "/usr/local/lib/python3.4/site-packages/jedi/evaluate/__init__.py", line return self.eval_call_path(path, par, s.start_pos) File "/usr/local/lib/python3.4/site-packages/jedi/evaluate/__init__.py", line search_global=True) File "/usr/local/lib/python3.4/site-packages/jedi/evaluate/__init__.py", line return f.find(scopes, resolve_decorator, search_global) File "/usr/local/lib/python3.4/site-packages/jedi/debug.py", line 51, in wrapp result = func(*args, **kwargs) File "/usr/local/lib/python3.4/site-packages/jedi/evaluate/finder.py", line 46 names = self.filter_name(scopes) File "/usr/local/lib/python3.4/site-packages/jedi/evaluate/finder.py", line 89 scope = name.parent.parent File "/usr/local/lib/python3.4/site-packages/jedi/cache.py", line 139, in wrap result = func(self) File "/usr/local/lib/python3.4/site-packages/jedi/api/interpreter.py", line 97 return compiled.create(self._evaluator, self._value, module, module) File "/usr/local/lib/python3.4/site-packages/jedi/evaluate/compiled/__init__.p result = func(evaluator, obj, parent, module) File "/usr/local/lib/python3.4/site-packages/jedi/evaluate/compiled/__init__.p faked = fake.get_faked(module and module.obj, obj) File "/usr/local/lib/python3.4/site-packages/jedi/evaluate/compiled/fake.py", result = _faked(module, obj, name) File "/usr/local/lib/python3.4/site-packages/jedi/evaluate/compiled/fake.py", cls = search_scope(faked_mod, obj.__objclass__.__name__) AttributeError: 'generator' object has no attribute '__objclass__'