Remove is_package on contexts

jedi/inference/compiled/mixed.py

@@ -284,7 +284,7 @@ def _create(inference_state, access_handle, parent_context, *args):
                 file_io=file_io,
                 string_names=string_names,
                 code_lines=code_lines,
-                is_package=compiled_object.is_package,
+                is_package=compiled_object.is_package(),
             ).as_context()
             if name is not None:
                 inference_state.module_cache.add(string_names, ValueSet([module_context]))

jedi/inference/compiled/value.py

@@ -89,7 +89,6 @@ class CompiledObject(Value):
             return None
         return map(cast_path, paths)
 
-    @property
     def is_package(self):
         return self.py__path__() is not None