don't need root_expr in Continue or TealSimpleBlock

Author: Zeph Grunschlag

pyteal/ast/continue_.py

@@ -28,7 +28,7 @@ def __teal__(self, options: "CompileOptions"):
         if not options.isInLoop():
             raise TealCompileError("continue is only allowed in a loop", self)
 
-        start = TealSimpleBlock([], root_expr=self)
+        start = TealSimpleBlock([])
         options.addLoopContinueBlock(start)
 
         return start, start

pyteal/ir/tealsimpleblock.py

@@ -5,8 +5,8 @@
 class TealSimpleBlock(TealBlock):
     """Represents a basic block of TealComponents in a graph that does not contain a branch condition."""
 
-    def __init__(self, ops: list[TealOp], root_expr: "Expr | None" = None) -> None:  # type: ignore
-        super().__init__(ops, root_expr=root_expr)
+    def __init__(self, ops: list[TealOp]) -> None:
+        super().__init__(ops)
         self.nextBlock: TealBlock | None = None
         self.visited = False