Assigning a value (not a type annotation) in a Protocol body is ambiguous. Pyrefly should flag this. ```python from typing import Protocol class Ambiguous(Protocol): x = None y = ... ``` **Sandbox:** [Pyrefly](https://pyrefly.org/sandbox/?project=N4IgZglgNgpgziAXAAlHAhgOwCYCMD2AHgHQAOAnksuAE74C2yALuaRJgObIT2n41NkABTpN8AY3xQAOplnio6OHGQBBerggcArvm1wAFCPxjJUAJSJZyG8kLIAvMgBy%2BTDGu3yj5MT%2ByQAF8AGmp0cSYIADcYADFoGCoQDBwCEgogoA)
Assigning a value (not a type annotation) in a Protocol body is ambiguous. Pyrefly should flag this.
Sandbox: Pyrefly