fix typing

Author: artcz

intbot/core/analysis/products.py

@@ -106,14 +106,14 @@ def flat_product_data(products: list[Product]) -> pl.DataFrame:
                 )
             )
 
-    schema = {
-        "product_id": pl.Int64,
-        "variation_id": pl.Int64,
-        "product_name": pl.String,
-        "type": pl.String,
-        "variant": pl.String,
+    schema = pl.Schema({
+        "product_id": pl.Int64(),
+        "variation_id": pl.Int64(),
+        "product_name": pl.String(),
+        "type": pl.String(),
+        "variant": pl.String(),
         "price": pl.Decimal(precision=10, scale=2),
-    }
+    })
     return pl.DataFrame(rows, schema=schema)