diff --git a/ozonenv/core/OzonOrm.py b/ozonenv/core/OzonOrm.py
index ead42e8..6b5bd08 100644
--- a/ozonenv/core/OzonOrm.py
+++ b/ozonenv/core/OzonOrm.py
@@ -451,11 +451,9 @@ def _getattribute(obj, name):
         self.orm_static_models_map[model_name] = model
 
     async def make_local_model(self, mod, version):
-        jdata = mod.mm.model.schema_json(indent=2)
-        # TODO but generator rise exception in asyncfile
-        # jdata = mod.mm.model.model_json_schema()
+        jdata = mod.mm.model.model_json_schema()
         async with aiofiles.open(f"/tmp/{mod.name}.json", "w+") as mod_file:
-            await mod_file.write(jdata)
+            await mod_file.write(json.dumps(jdata))
         res = await self.runcmd(
             f"datamodel-codegen --input /tmp/{mod.name}.json"
             f" --output {self.models_path}/{mod.name}.py "
diff --git a/pyproject.toml b/pyproject.toml
index 06eb0b3..ccb9890 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ozon-env"
-version = "2.1.11"
+version = "2.1.12"
 homepage = "https://github.com/archetipo/ozon-env"
 description = "Ozon Env API"
 readme = "README.md"
diff --git a/tests/test_ozon_env_5_basic_for_worker.py b/tests/test_ozon_env_5_basic_for_worker.py
index 2ab5aa5..7d6e8dd 100644
--- a/tests/test_ozon_env_5_basic_for_worker.py
+++ b/tests/test_ozon_env_5_basic_for_worker.py
@@ -117,7 +117,7 @@ async def process_document(self, data_doc) -> CoreModel:
             row_o = await self.virtual_row_doc_model.new(
                 rec_name=f"{v_doc.rec_name}.{row.nrRiga}",
                 data=row_dictr.data.copy(),
-                fields_parser={"code": {"type": "string"}}
+                fields_parser={"code": {"type": "string"}},
             )
             row_o.parent = v_doc.rec_name
             assert row_o.nrRiga == row.nrRiga