fix implements stmt

vyper/ast/expansion.py

@@ -5,22 +5,6 @@
 from vyper.semantics.types.function import ContractFunctionT
 
 
-def expand_annotated_ast(vyper_module: vy_ast.Module) -> None:
-    """
-    Perform expansion / simplification operations on an annotated Vyper AST.
-
-    This pass uses annotated type information to modify the AST, simplifying
-    logic and expanding subtrees to reduce the compexity during codegen.
-
-    Arguments
-    ---------
-    vyper_module : Module
-        Top-level Vyper AST node that has been type-checked and annotated.
-    """
-    generate_public_variable_getters(vyper_module)
-    remove_unused_statements(vyper_module)
-
-
 def generate_public_variable_getters(vyper_module: vy_ast.Module) -> None:
     """
     Create getter functions for public variables.

vyper/compiler/phases.py

@@ -257,6 +257,7 @@ def generate_folded_ast(
     StorageLayout
         Layout of variables in storage
     """
+    vy_ast.expansion.remove_unused_statements(vyper_module)
     vyper_module_folded = copy.deepcopy(vyper_module)
     vy_ast.folding.fold(vyper_module_folded)
     symbol_tables = set_data_positions(vyper_module_folded, storage_layout_overrides)

vyper/semantics/analysis/__init__.py

@@ -13,5 +13,5 @@ def validate_semantics(vyper_ast, interface_codes):
 
     with namespace.enter_scope():
         add_module_namespace(vyper_ast, interface_codes)
-        vy_ast.expansion.expand_annotated_ast(vyper_ast)
+        vy_ast.expansion.generate_public_variable_getters(vyper_ast)
         validate_functions(vyper_ast)