Fix type var completions so that there's at least no error

jedi/evaluate/context/typing.py

@@ -322,7 +322,7 @@ class Protocol(_ContainerBase):
 
 class Any(_BaseTypingContext):
     def execute_annotation(self):
-        debug.warning('Used Any, which is not implemented, yet.')
+        debug.warning('Used Any - returned no results')
         return NO_CONTEXTS
 
 
@@ -390,6 +390,9 @@ class TypeVar(Context):
                 else:
                     debug.warning('Invalid TypeVar param name %s', key)
 
+    def get_filters(self, *args, **kwargs):
+        return iter([])
+
     def execute_annotation(self):
         if self._bound_lazy_context is not None:
             return self._bound_lazy_context.infer().execute_annotation()

test/completion/pep0484_typing.py

@@ -308,7 +308,9 @@ def union4(x: U[int, str]):
 
 
 TYPE_VAR = typing.TypeVar('TYPE_VAR')
-
+# TODO there should at least be some results.
+#? []
+TYPE_VAR.
 
 class WithTypeVar(typing.Generic[TYPE_VAR]):
     def lala(self) -> TYPE_VAR: