Update Code.pxd

Cython/Compiler/Code.pxd

@@ -35,6 +35,7 @@ cdef class FunctionState:
     cdef public size_t temp_counter
 
     cdef public object closure_temps
+    cdef public bint should_declare_error_indicator
 
     @cython.locals(n=size_t)
     cpdef new_label(self, name=*)