Fix more issues with where contexts are used and where values are used

jedi/inference/context.py

@@ -185,3 +185,6 @@ class CompForContext(AbstractContext):
 class CompiledContext(AbstractContext):
     def get_filters(self, until_position=None, origin_scope=None):
         return self._value.get_filters()
+
+    def get_value(self):
+        return self._value