Fix requirements handling (#1631)

Resolve #1628.

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Co-authored-by: ZENOTME <[email protected]>
Co-authored-by: Fokko Driesprong <[email protected]>
Co-authored-by: Kevin Liu <[email protected]>

Author: 3 people

pyiceberg/table/__init__.py

@@ -269,7 +269,7 @@ def _apply(self, updates: Tuple[TableUpdate, ...], requirements: Tuple[TableRequ
         existing_requirements = {type(requirement) for requirement in self._requirements}
         for new_requirement in requirements:
             if type(new_requirement) not in existing_requirements:
-                self._requirements = self._requirements + requirements
+                self._requirements = self._requirements + (new_requirement,)
 
         self.table_metadata = update_table_metadata(self.table_metadata, updates)