fix: resolve pylint warning by changing lru_cache maxsize in flasq_model.py

Author: wjhuggins

qualtran/surface_code/flasq/flasq_model.py

@@ -425,7 +425,7 @@ def regular_spacetime_volume(self) -> SymbolicFloat:
         """
         return self.total_spacetime_volume - self.cultivation_volume
 
-    @lru_cache(maxsize=None)
+    @lru_cache(maxsize=4096)
     def resolve_symbols(
         self, assumptions: frozendict[typing.Union[sympy.Symbol, str], typing.Any]
     ) -> "FLASQSummary":