fix: Check if on_demand_feature_views is an empty list rather than No…

…ne for snowflake provider (#3046)

check if on_demand_feature_views is empty or None

Signed-off-by: floOnfido <florian.malbranque@onfido.com>

sdk/python/feast/infra/offline_stores/snowflake.py

@@ -429,7 +429,7 @@ def _to_arrow_internal(self) -> pa.Table:
 
     def to_snowflake(self, table_name: str, temporary=False) -> None:
         """Save dataset as a new Snowflake table"""
-        if self.on_demand_feature_views is not None:
+        if self.on_demand_feature_views:
             transformed_df = self.to_df()
 
             write_pandas(