diff --git a/src/datachain/lib/meta_formats.py b/src/datachain/lib/meta_formats.py
index 70473557..3f9f2ec1 100644
--- a/src/datachain/lib/meta_formats.py
+++ b/src/datachain/lib/meta_formats.py
@@ -42,7 +42,7 @@ def process_json(data_string, jmespath):
 # Print a dynamic datamodel-codegen output from JSON or CSV on stdout
 def read_schema(source_file, data_type="csv", expr=None, model_name=None):
     data_string = ""
-    # using uiid to get around issue #1617
+    # using uuid to get around issue #1617
     if not model_name:
         # comply with Python class names
         uid_str = str(generate_uuid()).replace("-", "")
@@ -85,7 +85,8 @@ def read_schema(source_file, data_type="csv", expr=None, model_name=None):
 DataModel.register({model_name})
 spec = {model_name}
 """
-        return output.read_text() + epilogue
+        schema = output.read_text() + epilogue
+        return schema
 
 
 #