Fix TypeError in create_match_filter for Composite Keys with Single Unique Condition

pyiceberg/table/upsert_util.py

@@ -36,7 +36,10 @@ def create_match_filter(df: pyarrow_table, join_cols: list[str]) -> BooleanExpre
     if len(join_cols) == 1:
         return In(join_cols[0], unique_keys[0].to_pylist())
     else:
-        return Or(*[And(*[EqualTo(col, row[col]) for col in join_cols]) for row in unique_keys.to_pylist()])
+        filters = [And(*[EqualTo(col, row[col]) for col in join_cols]) for row in unique_keys.to_pylist()]
+        if len(filters) == 1:
+            return filters[0]
+        return Or(*filters)
 
 
 def has_duplicate_rows(df: pyarrow_table, join_cols: list[str]) -> bool: