revert bad validation

charles-cooper · charles-cooper · commit 5bbc49685acb · 2024-02-24T16:05:02.000Z
diff --git a/vyper/ast/nodes.py b/vyper/ast/nodes.py
@@ -1267,11 +1267,6 @@ def validate(self):
         if not isinstance(self.target, Name):
             raise VariableDeclarationException("Invalid variable declaration", self.target)
 
-        if self.value is None:
-            raise VariableDeclarationException(
-                "Local variables must be declared with an initial value", self
-            )
-
 
 class VariableDecl(VyperNode):
     """
diff --git a/vyper/semantics/analysis/local.py b/vyper/semantics/analysis/local.py
@@ -17,6 +17,7 @@
     StructureException,
     TypeCheckFailure,
     TypeMismatch,
+    VariableDeclarationException,
     VyperException,
 )
 from vyper.semantics.analysis.base import (
@@ -325,12 +326,12 @@ def visit(self, node):
         super().visit(node)
 
     def visit_AnnAssign(self, node):
-        name = node.target.id
-
-        # sanity check postconditions of AnnAssign.validate()
-        assert isinstance(node.target, vy_ast.Name)
-        assert node.value is not None
+        if node.value is None:
+            raise VariableDeclarationException(
+                "Local variables must be declared with an initial value"
+            )
 
+        name = node.target.id
         typ = type_from_annotation(node.annotation, DataLocation.MEMORY)
 
         # validate the value before adding it to the namespace
